noun
adultery, illicit intercourse, unlicensed intercourse, promiscuousness, extramarital sex, premarital sex, incontinence, carnality, lechery, unchastity, lewdness, lubricity, libidinousness, licentiousness, venery, unfaithfulness, whoredom, harlotry, prostitution, concubinage, concupiscence, coitus, debauchery, libertinism; see also copulation.