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

bizarre \bizarre"\, a. f. bizarre odd, fr. sp. bizarro
   gallant, brave, liberal, prob. of basque origin; cf. basque
   bizarra beard, whence the meaning manly, brave.
   odd in manner or appearance; fantastic; whimsical;
   extravagant; grotesque. --c. kingsley.
   1913 webster

[2] : WordNet (r) 2.0

bizarre
     adj : conspicuously or grossly unconventional or unusual;
           "restaurants of bizarre design--one like a hat, another
           like a rabbit"; "famed for his eccentric spelling"; "a
           freakish combination of styles"; "his off-the-wall
           antics"; "the outlandish clothes of teenagers"; "outre
           and affected stage antics" syn: eccentric, freakish,
            freaky, flaky, off-the-wall, outlandish, outre
see also:
eccentric freakish freaky flaky off-the-wall outlandish 
outre 

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

83 moby thesaurus words for "bizarre":
   gothic, absurd, amusing, antic, awe-inspiring, awesome, awful,
   awing, baroque, beyond belief, brain-born, cockamamie, crazy,
   curious, deformed, deviant, dream-built, droll, eccentric, eerie,
   erratic, extravagant, fanciful, fancy-born, fancy-built,
   fancy-woven, fantasque, fantastic, florid, foolish, freak,
   freakish, funny, grotesque, high-flown, hilarious, humorous,
   incongruous, incredible, irregular, kinky, laughable, ludicrous,
   maggoty, malformed, misbegotten, misshapen, monstrous, mysterious,
   nonconforming, nonconformist, nonsensical, notional, numinous, odd,
   oddball, offbeat, outlandish, outrageous, outre, peculiar,
   poppycockish, preposterous, priceless, quaint, queer, quizzical,
   rich, ridiculous, risible, rococo, screaming, singular, strange,
   teratogenic, teratoid, uncanny, unconventional, unusual, weird,
   whimsical, wild, witty

Bizarre >> B Words
Bizarre, definition of term: Bizarre
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