From G4204; to act the harlot, that is, (literally) indulge unlawful lust (of either sex), or (figuratively) practise idolatry: - commit (fornication).
Thayer's Dictionary
1) to prostitute one’s body to the lust of another
2) to give one’s self to unlawful sexual intercourse
2a) to commit fornication
3) metaphorically to be given to idolatry, to worship idols
3a) to permit one’s self to be drawn away by another into idolatry
Part of Speech: verb
A Related Word by Thayer’s/Strong’s Number: from G4204