[1] : WordNet (r) 2.0

kooky
     adj : informal or slang terms for mentally irregular; "it used to
           drive my husband balmy" syn: balmy, barmy, bats,
            batty, bonkers, buggy, cracked, crackers, daft,
            dotty, fruity, haywire, kookie, loco, loony,
            loopy, nuts, nutty, round the bend, around
           the bend, wacky, whacky
     also: kookiest, kookier
see also:
balmy barmy bats batty bonkers buggy 
cracked crackers daft dotty fruity 
haywire kookie loco loony loopy 
nuts nutty round the bend around the bend wacky 
whacky kookiest kookier 

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

123 moby thesaurus words for "kooky":
   abnormal, absurd, anomalous, apish, asinine, balmy, bananas, barmy,
   bats, batty, beany, befooled, beguiled, besotted, bonkers,
   brainless, buffoonish, buggy, bughouse, bugs, cockeyed, crackers,
   crank, crankish, cranky, crazy, credulous, crotchety, cuckoo,
   curious, daffy, daft, dazed, deviant, deviative, different, dippy,
   divergent, dizzy, doting, dotty, dumb, eccentric, erratic,
   exceptional, fatuitous, fatuous, fey, flaky, flipped, fond, fool,
   foolheaded, foolish, freaked out, freaked-out, freakish, freaky,
   fruitcakey, fruity, fuddled, funny, futile, gaga, goofy, gulled,
   haywire, idiocratic, idiosyncratic, idiotic, imbecile, inane,
   inept, infatuated, insane, irregular, just plain nuts, kinky,
   loony, loopy, mad, maggoty, maudlin, moronic, nuts, nutty, odd,
   oddball, off, off the hinges, off the track, off the wall, out,
   outlandish, passing strange, peculiar, potty, quaint, queer,
   quirky, round the bend, sappy, screwball, screwballs, screwy,
   senseless, sentimental, silly, singular, slaphappy, strange,
   stupid, thoughtless, twisted, unconventional, unearthly, unnatural,
   wacky, weird, wet, whimsical, witless, wondrous strange

Kooky >> K Words
Kooky, definition of term: Kooky
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