Here are 84 Bible verses about unfaithfulness from the Old and New Testaments of the Holy Bible (King James Version), sorted from most to least relevant.
Hebrews 13:4 KJV
Marriage is honourable in all, and the bed undefiled: but whoremongers and adulterers God will judge.
Proverbs 6:32 KJV
But whoso committeth adultery with a woman lacketh understanding: he that doeth it destroyeth his own soul.
Matthew 19:9 KJV
And I say unto you, Whosoever shall put away his wife, except it be for fornication, and shall marry another, committeth adultery: and whoso marrieth her which is put away doth commit adultery.
Matthew 5:32 KJV
But I say unto you, That whosoever shall put away his wife, saving for the cause of fornication, causeth her to commit adultery: and whosoever shall marry her that is divorced committeth adultery.
Matthew 5:27-28 KJV
Ye have heard that it was said by them of old time, Thou shalt not commit adultery: But I say unto you, That whosoever looketh on a woman to lust after her hath committed adultery with her already in his heart.
1 Corinthians 7:15 KJV
But if the unbelieving depart, let him depart. A brother or a sister is not under bondage in such cases: but God hath called us to peace.
Leviticus 20:10 KJV
And the man that committeth adultery with another man’s wife, even he that committeth adultery with his neighbour’s wife, the adulterer and the adulteress shall surely be put to death.
1 Corinthians 6:18 KJV
Flee fornication. Every sin that a man doeth is without the body; but he that committeth fornication sinneth against his own body.
Revelation 21:8 KJV
But the fearful, and unbelieving, and the abominable, and murderers, and whoremongers, and sorcerers, and idolaters, and all liars, shall have their part in the lake which burneth with fire and brimstone: which is the second death.
1 Corinthians 7:2 KJV
Nevertheless, to avoid fornication, let every man have his own wife, and let every woman have her own husband.
Malachi 2:16 KJV
For the LORD, the God of Israel, saith that he hateth putting away: for one covereth violence with his garment, saith the LORD of hosts: therefore take heed to your spirit, that ye deal not treacherously.
Exodus 20:14 KJV
Thou shalt not commit adultery.
Luke 16:18 KJV
Whosoever putteth away his wife, and marrieth another, committeth adultery: and whosoever marrieth her that is put away from her husband committeth adultery.
Matthew 19:6 KJV
Wherefore they are no more twain, but one flesh. What therefore God hath joined together, let not man put asunder.
Matthew 19:3-9 KJV
The Pharisees also came unto him, tempting him, and saying unto him, Is it lawful for a man to put away his wife for every cause? And he answered and said unto them, Have ye not read, that he which made them at the beginning made them male and female, And said, For this cause shall a man leave father and mother, and shall cleave to his wife: and they twain shall be one flesh? Wherefore they are no more twain, but one flesh. What therefore God hath joined together, let not man put asunder. They say unto him, Why did Moses then command to give a writing of divorcement, and to put her away? He saith unto them, Moses because of the hardness of your hearts suffered you to put away your wives: but from the beginning it was not so. And I say unto you, Whosoever shall put away his wife, except it be for fornication, and shall marry another, committeth adultery: and whoso marrieth her which is put away doth commit adultery.
Deuteronomy 22:22 KJV
If a man be found lying with a woman married to an husband, then they shall both of them die, both the man that lay with the woman, and the woman: so shalt thou put away evil from Israel.
Ephesians 5:28 KJV
So ought men to love their wives as their own bodies. He that loveth his wife loveth himself.
Luke 13:6-9 KJV
He spake also this parable; A certain man had a fig tree planted in his vineyard; and he came and sought fruit thereon, and found none. Then said he unto the dresser of his vineyard, Behold, these three years I come seeking fruit on this fig tree, and find none: cut it down; why cumbereth it the ground? And he answering said unto him, Lord, let it alone this year also, till I shall dig about it, and dung it: And if it bear fruit, well: and if not, then after that thou shalt cut it down.
1 Corinthians 10:13 KJV
There hath no temptation taken you but such as is common to man: but God is faithful, who will not suffer you to be tempted above that ye are able; but will with the temptation also make a way to escape, that ye may be able to bear it.
Matthew 5:28 KJV
But I say unto you, That whosoever looketh on a woman to lust after her hath committed adultery with her already in his heart.
Mark 10:11-12 KJV
And he saith unto them, Whosoever shall put away his wife, and marry another, committeth adultery against her. And if a woman shall put away her husband, and be married to another, she committeth adultery.
Revelation 1:1 KJV
The Revelation of Jesus Christ, which God gave unto him, to shew unto his servants things which must shortly come to pass; and he sent and signified it by his angel unto his servant John:
1 John 1:9 KJV
If we confess our sins, he is faithful and just to forgive us our sins, and to cleanse us from all unrighteousness.
1 Peter 3:7 KJV
Likewise, ye husbands, dwell with them according to knowledge, giving honour unto the wife, as unto the weaker vessel, and as being heirs together of the grace of life; that your prayers be not hindered.
2 Corinthians 5:17 KJV
Therefore if any man be in Christ, he is a new creature: old things are passed away; behold, all things are become new.
Romans 7:2 KJV
For the woman which hath an husband is bound by the law to her husband so long as he liveth; but if the husband be dead, she is loosed from the law of her husband.
1 Corinthians 6:15-16 KJV
Know ye not that your bodies are the members of Christ? shall I then take the members of Christ, and make them the members of an harlot? God forbid. What? know ye not that he which is joined to an harlot is one body? for two, saith he, shall be one flesh.
Matthew 19:4-6 KJV
And he answered and said unto them, Have ye not read, that he which made them at the beginning made them male and female, And said, For this cause shall a man leave father and mother, and shall cleave to his wife: and they twain shall be one flesh? Wherefore they are no more twain, but one flesh. What therefore God hath joined together, let not man put asunder.
John 15:2 KJV
Every branch in me that beareth not fruit he taketh away: and every branch that beareth fruit, he purgeth it, that it may bring forth more fruit.
Luke 1:37 KJV
For with God nothing shall be impossible.
Ephesians 4:32 KJV
And be ye kind one to another, tenderhearted, forgiving one another, even as God for Christ’s sake hath forgiven you.
1 Corinthians 10:12-14 KJV
Wherefore let him that thinketh he standeth take heed lest he fall. There hath no temptation taken you but such as is common to man: but God is faithful, who will not suffer you to be tempted above that ye are able; but will with the temptation also make a way to escape, that ye may be able to bear it. Wherefore, my dearly beloved, flee from idolatry.
Mark 11:25 KJV
And when ye stand praying, forgive, if ye have ought against any: that your Father also which is in heaven may forgive you your trespasses.
Proverbs 13:5 KJV
A righteous man hateth lying: but a wicked man is loathsome, and cometh to shame.
Matthew 15:19 KJV
For out of the heart proceed evil thoughts, murders, adulteries, fornications, thefts, false witness, blasphemies:
Genesis 2:24 KJV
Therefore shall a man leave his father and his mother, and shall cleave unto his wife: and they shall be one flesh.
1 John 1:6 KJV
If we say that we have fellowship with him, and walk in darkness, we lie, and do not the truth:
1 Thessalonians 5:15 KJV
See that none render evil for evil unto any man; but ever follow that which is good, both among yourselves, and to all men.
Colossians 3:9-10 KJV
Lie not one to another, seeing that ye have put off the old man with his deeds; And have put on the new man, which is renewed in knowledge after the image of him that created him:
Romans 7:2-3 KJV
For the woman which hath an husband is bound by the law to her husband so long as he liveth; but if the husband be dead, she is loosed from the law of her husband. So then if, while her husband liveth, she be married to another man, she shall be called an adulteress: but if her husband be dead, she is free from that law; so that she is no adulteress, though she be married to another man.
Acts 2:38 KJV
Then Peter said unto them, Repent, and be baptized every one of you in the name of Jesus Christ for the remission of sins, and ye shall receive the gift of the Holy Ghost.
Luke 8:17 KJV
For nothing is secret, that shall not be made manifest; neither any thing hid, that shall not be known and come abroad.
Proverbs 24:12 KJV
If thou sayest, Behold, we knew it not; doth not he that pondereth the heart consider it? and he that keepeth thy soul, doth not he know it? and shall not he render to every man according to his works?
2 Timothy 2:22 KJV
Flee also youthful lusts: but follow righteousness, faith, charity, peace, with them that call on the Lord out of a pure heart.
Romans 12:17 KJV
Recompense to no man evil for evil. Provide things honest in the sight of all men.
John 3:20-21 KJV
For every one that doeth evil hateth the light, neither cometh to the light, lest his deeds should be reproved. But he that doeth truth cometh to the light, that his deeds may be made manifest, that they are wrought in God.
Jeremiah 3:14 KJV
Turn, O backsliding children, saith the LORD; for I am married unto you: and I will take you one of a city, and two of a family, and I will bring you to Zion:
Isaiah 1:16-19 KJV
Wash you, make you clean; put away the evil of your doings from before mine eyes; cease to do evil; Learn to do well; seek judgment, relieve the oppressed, judge the fatherless, plead for the widow. Come now, and let us reason together, saith the LORD: though your sins be as scarlet, they shall be as white as snow; though they be red like crimson, they shall be as wool. If ye be willing and obedient, ye shall eat the good of the land:
Proverbs 25:19 KJV
Confidence in an unfaithful man in time of trouble is like a broken tooth, and a foot out of joint.
Proverbs 24:11 KJV
If thou forbear to deliver them that are drawn unto death, and those that are ready to be slain;
Matthew 19:8 KJV
He saith unto them, Moses because of the hardness of your hearts suffered you to put away your wives: but from the beginning it was not so.
Mark 11:13 KJV
And seeing a fig tree afar off having leaves, he came, if haply he might find any thing thereon: and when he came to it, he found nothing but leaves; for the time of figs was not yet.
Matthew 13:12 KJV
For whosoever hath, to him shall be given, and he shall have more abundance: but whosoever hath not, from him shall be taken away even that he hath.
Ezekiel 33:11 KJV
Say unto them, As I live, saith the Lord GOD, I have no pleasure in the death of the wicked; but that the wicked turn from his way and live: turn ye, turn ye from your evil ways; for why will ye die, O house of Israel?
1 John 2:15-17 KJV
Love not the world, neither the things that are in the world. If any man love the world, the love of the Father is not in him. For all that is in the world, the lust of the flesh, and the lust of the eyes, and the pride of life, is not of the Father, but is of the world. And the world passeth away, and the lust thereof: but he that doeth the will of God abideth for ever.
Mark 4:22 KJV
For there is nothing hid, which shall not be manifested; neither was any thing kept secret, but that it should come abroad.
Joel 2:12-14 KJV
Therefore also now, saith the LORD, turn ye even to me with all your heart, and with fasting, and with weeping, and with mourning: And rend your heart, and not your garments, and turn unto the LORD your God: for he is gracious and merciful, slow to anger, and of great kindness, and repenteth him of the evil. Who knoweth if he will return and repent, and leave a blessing behind him; even a meat offering and a drink offering unto the LORD your God?
Titus 1:6 KJV
If any be blameless, the husband of one wife, having faithful children not accused of riot or unruly.
Ecclesiastes 7:1 KJV
A good name is better than precious ointment; and the day of death than the day of one’s birth.
Proverbs 28:18 KJV
Whoso walketh uprightly shall be saved: but he that is perverse in his ways shall fall at once.
Proverbs 12:22 KJV
Lying lips are abomination to the LORD: but they that deal truly are his delight.
Proverbs 10:9 KJV
He that walketh uprightly walketh surely: but he that perverteth his ways shall be known.
2 Corinthians 6:14 KJV
Be ye not unequally yoked together with unbelievers: for what fellowship hath righteousness with unrighteousness? and what communion hath light with darkness?
1 Corinthians 6:15-20 KJV
Know ye not that your bodies are the members of Christ? shall I then take the members of Christ, and make them the members of an harlot? God forbid. What? know ye not that he which is joined to an harlot is one body? for two, saith he, shall be one flesh. But he that is joined unto the Lord is one spirit. Flee fornication. Every sin that a man doeth is without the body; but he that committeth fornication sinneth against his own body. What? know ye not that your body is the temple of the Holy Ghost which is in you, which ye have of God, and ye are not your own? For ye are bought with a price: therefore glorify God in your body, and in your spirit, which are God’s.
1 Corinthians 6:9-11 KJV
Know ye not that the unrighteous shall not inherit the kingdom of God? Be not deceived: neither fornicators, nor idolaters, nor adulterers, nor effeminate, nor abusers of themselves with mankind, Nor thieves, nor covetous, nor drunkards, nor revilers, nor extortioners, shall inherit the kingdom of God. And such were some of you: but ye are washed, but ye are sanctified, but ye are justified in the name of the Lord Jesus, and by the Spirit of our God.
John 15:9-11 KJV
As the Father hath loved me, so have I loved you: continue ye in my love. If ye keep my commandments, ye shall abide in my love; even as I have kept my Father’s commandments, and abide in his love. These things have I spoken unto you, that my joy might remain in you, and that your joy might be full.
Proverbs 12:19 KJV
The lip of truth shall be established for ever: but a lying tongue is but for a moment.
Matthew 25:44-46 KJV
Then shall they also answer him, saying, Lord, when saw we thee an hungred, or athirst, or a stranger, or naked, or sick, or in prison, and did not minister unto thee? Then shall he answer them, saying, Verily I say unto you, Inasmuch as ye did it not to one of the least of these, ye did it not to me. And these shall go away into everlasting punishment: but the righteous into life eternal.
Isaiah 47:10 KJV
For thou hast trusted in thy wickedness: thou hast said, None seeth me. Thy wisdom and thy knowledge, it hath perverted thee; and thou hast said in thine heart, I am, and none else beside me.
Proverbs 11:1 KJV
A false balance is abomination to the LORD: but a just weight is his delight.
John 8:10-11 KJV
When Jesus had lifted up himself, and saw none but the woman, he said unto her, Woman, where are those thine accusers? hath no man condemned thee? She said, No man, Lord. And Jesus said unto her, Neither do I condemn thee: go, and sin no more.
Hosea 1:2 KJV
The beginning of the word of the LORD by Hosea. And the LORD said to Hosea, Go, take unto thee a wife of whoredoms and children of whoredoms: for the land hath committed great whoredom, departing from the LORD.
Isaiah 47:11 KJV
Therefore shall evil come upon thee; thou shalt not know from whence it riseth: and mischief shall fall upon thee; thou shalt not be able to put if off: and desolation shall come upon thee suddenly, which thou shalt not know.
Isaiah 29:15 KJV
Woe unto them that seek deep to hide their counsel from the LORD, and their works are in the dark, and they say, Who seeth us? and who knoweth us?
Deuteronomy 30:19-20 KJV
I call heaven and earth to record this day against you, that I have set before you life and death, blessing and cursing: therefore choose life, that both thou and thy seed may live: That thou mayest love the LORD thy God, and that thou mayest obey his voice, and that thou mayest cleave unto him: for he is thy life, and the length of thy days: that thou mayest dwell in the land which the LORD sware unto thy fathers, to Abraham, to Isaac, and to Jacob, to give them.
1 Peter 5:7 KJV
Casting all your care upon him; for he careth for you.
Psalms 64:5 KJV
They encourage themselves in an evil matter: they commune of laying snares privily; they say, Who shall see them?
Psalms 50:21 KJV
These things hast thou done, and I kept silence; thou thoughtest that I was altogether such an one as thyself: but I will reprove thee, and set them in order before thine eyes.
James 4:4 KJV
Ye adulterers and adulteresses, know ye not that the friendship of the world is enmity with God? whosoever therefore will be a friend of the world is the enemy of God.
1 John 1:9-10 KJV
If we confess our sins, he is faithful and just to forgive us our sins, and to cleanse us from all unrighteousness. If we say that we have not sinned, we make him a liar, and his word is not in us.
Deuteronomy 7:8-10 KJV
But because the LORD loved you, and because he would keep the oath which he had sworn unto your fathers, hath the LORD brought you out with a mighty hand, and redeemed you out of the house of bondmen, from the hand of Pharaoh king of Egypt. Know therefore that the LORD thy God, he is God, the faithful God, which keepeth covenant and mercy with them that love him and keep his commandments to a thousand generations; And repayeth them that hate him to their face, to destroy them: he will not be slack to him that hateth him, he will repay him to his face.
Isaiah 57:8 KJV
Behind the doors also and the posts hast thou set up thy remembrance: for thou hast discovered thyself to another than me, and art gone up; thou hast enlarged thy bed, and made thee a covenant with them; thou lovedst their bed where thou sawest it.
Hebrews 3:12 KJV
Take heed, brethren, lest there be in any of you an evil heart of unbelief, in departing from the living God.
2 Samuel 22:25-28 KJV
Therefore the LORD hath recompensed me according to my righteousness; according to my cleanness in his eye sight. With the merciful thou wilt shew thyself merciful, and with the upright man thou wilt shew thyself upright. With the pure thou wilt shew thyself pure; and with the froward thou wilt shew thyself unsavoury. And the afflicted people thou wilt save: but thine eyes are upon the haughty, that thou mayest bring them down.
Proverbs 1:7 KJV
The fear of the LORD is the beginning of knowledge: but fools despise wisdom and instruction.
Joshua 21:43-45 KJV
And the LORD gave unto Israel all the land which he sware to give unto their fathers; and they possessed it, and dwelt therein. And the LORD gave them rest round about, according to all that he sware unto their fathers: and there stood not a man of all their enemies before them; the LORD delivered all their enemies into their hand. There failed not ought of any good thing which the LORD had spoken unto the house of Israel; all came to pass.