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

nutty \nut"ty\, a.
   1. abounding in nuts.
      1913 webster

   2. having a flavor like that of nuts; as, nutty wine.
      1913 webster

   3. crazy; insane; loony; batty; nuts. slang
      pjc

[2] : WordNet (r) 2.0

nutty
     adj 1: having the flavor of nuts; "a nutty sherry" syn: nutlike
     2: 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, kooky, kookie, loco, loony,
        loopy, nuts, round the bend, around the bend, wacky,
         whacky
     also: nuttiest, nuttier
see also:
nutlike balmy barmy bats batty bonkers 
buggy cracked crackers daft dotty 
fruity haywire kooky kookie loco 
loony loopy nuts round the bend around the bend 
wacky whacky nuttiest nuttier 

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

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

Nutty >> N Words
Nutty, definition of term: Nutty
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