1) illicit sexual intercourse
1a) adultery, fornication, homosexuality, lesbianism, intercourse
with animals etc.
1b) sexual intercourse with close relatives; Lev. 18
1c) sexual intercourse with a divorced man or woman; #Mr 10:11,12
2) metaph. the worship of idols
2a) of the defilement of idolatry, as incurred by eating the
sacrifices offered to idols