[1] : The Collaborative International Dictionary of English v.0.48

amateur \am`ateur"\, n. f., fr. l. amator lover, fr. amare to
   love.
   a person attached to a particular pursuit, study, or science
   as to music or painting; esp. one who cultivates any study or
   art, from taste or attachment, without pursuing it
   professionally.
   1913 webster

[2] : WordNet (r) 2.0

amateur
     adj 1: engaged in as a pastime; "an amateur painter"; "gained
            valuable experience in amateur theatricals";
            "recreational golfers"; "reading matter that is both
            recreational and mentally stimulating"; "unpaid extras
            in the documentary" syn: recreational, unpaid
     2: lacking professional skill or expertise; "a very amateurish
        job"; "inexpert but conscientious efforts"; "an unskilled
        painting" syn: amateurish, inexpert, unskilled
     n 1: someone who pursues a study or sport as a pastime
     2: does not play for pay ant: professional
see also:
recreational unpaid amateurish inexpert unskilled professional 

[3] : Moby Thesaurus II by Grady Ward, 1.0

104 moby thesaurus words for "amateur":
   sunday painter, abecedarian, admirer, aesthete, aficionado,
   amateurish, apprentice, arbiter, arbiter elegantiarum,
   arbiter of taste, authority, avocational, beginner, bon vivant,
   booster, buff, bungler, bungling, clumsy, cognoscente, collector,
   connaisseur, connoisseur, coquet, crank, critic, criticaster,
   crude, dabbler, dabbling, dabster, dallier, devotee, dilettante,
   dilettantish, enthusiast, epicure, epicurean, expert, faddist, fan,
   fancier, flirt, follower, freak, fribble, good judge, gourmand,
   gourmet, grammaticaster, greenhorn, groupie, half scholar,
   half-assed, half-baked, half-cocked, idolater, idolizer, immature,
   inexpert, infatuate, inferior, judge, lay, layman, maven, mediocre,
   neophyte, nonprofessional, novice, nut, philologaster,
   philosophaster, piddler, potterer, probationer, pundit, putterer,
   refined palate, rooter, savant, scholar, sciolist, sciolistic,
   second-rate, shallow, smatterer, smattering, sophomoric,
   specialist, superficial, technical expert, technician, tinker,
   trifler, tyro, unpaid, unprofessional, unskilled, untrained,
   virtuoso, votary, worshiper, zealot

Amateur >> A Words
Amateur, definition of term: Amateur
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