unmarried man(n = noun.person) bachelor - a man who has never been married;

N  celibacy, singleness, single blessedness, bachelorhood, bachelorship, misogamy, misogyny, virginity, pucelage, maidenhood, maidenhead, unmarried man, bachelor, Coelebs, agamist, old bachelor, misogamist, misogynist, monogamist, monk, unmarried woman, spinster, maid, maiden, virgin, feme sole, old maid, bachelor girl, girl-bachelor, nun, unmarried, unwed, unwedded, wifeless, spouseless, single.