boyfriend

from WordNet (r) 3.0 (2006)

boyfriend
    n 1: a man who is the lover of a girl or young woman; "if I'd
         known he was her boyfriend I wouldn't have asked" [syn:
         {boyfriend}, {fellow}, {beau}, {swain}, {young man}]

from Moby Thesaurus II by Grady Ward, 1.0

41 Moby Thesaurus words for "boyfriend":
      Casanova, Don Juan, Lothario, Romeo, admirer, amoroso, beau,
      beloved, caballero, cavalier, cavaliere servente, crush, esquire,
      fancy man, fellow, fiance, flame, gallant, gentleman friend,
      gigolo, heartthrob, inamorato, lady-killer, love-maker, lover, man,
      master, necker, old man, paramour, petter, philanderer, seducer,
      sheik, squire, steady, sugar daddy, swain, sweetheart, truelove,
      young man