unusual

unusual
    adj 1: not usual or common or ordinary; "a scene of unusual
           beauty"; "a man of unusual ability"; "cruel and unusual
           punishment"; "an unusual meteorite" [ant: {usual}]
    2: being definitely out of the ordinary and unexpected; slightly
       odd or even a bit weird; "a strange exaltation that was
       indefinable"; "a strange fantastical mind"; "what a strange
       sense of humor she has" [syn: {strange}, {unusual}] [ant:
       {familiar}]
    3: not commonly encountered; "two-career families are no longer
       unusual"
    

Unusual \Un*u"su*al\, a.
   Not usual; uncommon; rare; as, an unusual season; a person of
   unusual grace or erudition. -- {Un*u"su*al*ly}, adv. --
   {Un*u"su*al*ness}, n.
   [1913 Webster]
    

52 Moby Thesaurus words for "unusual":
      almost unheard-of, atypical, bizarre, breakaway, curious,
      different, eccentric, exceptional, extraordinary, extremely,
      freakish, infrequent, novel, odd, oddball, offbeat, original,
      outlandish, peculiar, quaint, queer, rare, rarely, recherche,
      remarkable, scarce, seldom met with, seldom seen, singular, slow,
      sparse, strange, sui generis, uncommon, uncommonly, unconventional,
      uncustomary, undreamed-of, unexpected, unfamiliar, unfrequent,
      unheard-of, unimaginable, unique, unordinary, unorthodox,
      unprecedented, unthinkable, unthought-of, untypical, unusually,
      unwonted