Bible Verses About what is sexual immorality

Therefore shall a man leave his father and his mother, and shall cleave unto his wife: and they shall be one flesh.

But I say unto you, That whosoever looketh on a woman to lust after her hath committed adultery with her already in his heart.

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,

Flee fornication. Every sin that a man doeth is without the body; but he that committeth fornication sinneth against his own body.

Nevertheless, to avoid fornication, let every man have his own wife, and let every woman have her own husband.

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.

Mortify therefore your members which are upon the earth; fornication, uncleanness, inordinate affection, evil concupiscence, and covetousness, which is idolatry:

Marriage is honourable in all, and the bed undefiled: but whoremongers and adulterers God will judge.

Confess your faults one to another, and pray one for another, that ye may be healed. The effectual fervent prayer of a righteous man availeth much.

But if we walk in the light, as he is in the light, we have fellowship one with another, and the blood of Jesus Christ his Son cleanseth us from all sin.

And there followed another angel, saying, Babylon is fallen, is fallen, that great city, because she made all nations drink of the wine of the wrath of her fornication.

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.