Bible Verses about 'Immorality'

Flee from sexual immorality! Every other sin that a person commits is outside the body, but the fornicator sins against his own body.
1 Corinthians 6:18 sexuality body sin
However, to avoid the temptation to immorality, each man should have his own wife and each woman her own husband.
1 Corinthians 7:2 desires marriage relationships

And so you should put to death everything in your nature that is earthly: sexual immorality, impurity, passion, evil desires, and greed (which is idolatry).
Colossians 3:5 sin desires materialism
Indeed, fornication and impurity of any kind, as well as greed, should not even be mentioned among you. Such talk is not fitting for saints.
Ephesians 5:3 sin greed holiness
It is the will of God that you should lead a life of sanctity. You must refrain from sexual immorality. Each of you must learn to acquire a wife from pure and honorable motives, not to gratify passion like the Gentiles who do not know God.
1 Thessalonians 4:3-5 holiness sexuality body
Now the works of the flesh are obvious: fornication, impurity, licentiousness, idolatry, sorcery, enmities, strife, jealousy, anger, quarrels, dissensions, factions, envy, drunkenness, carousing, and the like. I warn you, as I warned you previously, that no one who does such things will inherit the kingdom of God.
Galatians 5:19-21 body sin sexuality
Then he went on, “It is what comes out of a person that defiles. For from within, from the human heart, come evil thoughts, unchastity, theft, murder, adultery, avarice, malice, deceit, indecency, envy, slander, arrogance, and folly. All these evils come from within, and they defile a person.”
Mark 7:20-23 sin purification temptation