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

crazy \cra"zy\ kr=a"zy^, a. from craze.
   1. characterized by weakness or feebleness; decrepit; broken;
      falling to decay; shaky; unsafe.
      1913 webster

            piles of mean andcrazy houses.        --macaulay.
      1913 webster

            one of great riches, but a crazy constitution.
                                                  --addison.
      1913 webster

            they . . . got a crazy boat to carry them to the
            island.                               --jeffrey.
      1913 webster

   2. broken, weakened, or dissordered in intellect; shattered;
      demented; deranged.
      1913 webster

            over moist and crazy brains.          --hudibras.
      1913 webster

   3. inordinately desirous; foolishly eager. colloq.
      1913 webster

            the girls were crazy to be introduced to him. --r.
                                                  b. kimball.
      1913 webster

   crazy bone, the bony projection at the end of the elbow
      olecranon, behind which passes the ulnar nerve; -- so
      called on account of the curiously painful tingling felt,
      when, in a particular position, it receives a blow; --
      called also funny bone.

   crazy quilt, a bedquilt made of pieces of silk or other
      material of various sizes, shapes, and colors, fancifully
      stitched together without definite plan or arrangement.
      1913 webster
see also:
craze crazy bone funny bone crazy quilt 

[2] : WordNet (r) 2.0

crazy
     adj 1: affected with madness or insanity; "a man who had gone mad"
            syn: brainsick, demented, distracted, disturbed,
             mad, sick, unbalanced, unhinged
     2: foolish; totally unsound; "an impractical solution"; "a
        crazy scheme"; "half-baked ideas"; "a screwball proposal
        without a prayer of working" syn: half-baked, screwball,
         softheaded
     3: marked by foolish or unreasoning fondness; "she was crazy
        about him"; "gaga over the rock group's new album"; "he
        was infatuated with her" syn: dotty, gaga, enamored,
         infatuated, in love, smitten, soft onp, taken
        withp
     4: possessed by inordinate excitement; "the crowd went crazy";
        "was crazy to try his new bicycle"
     5: bizarre or fantastic; "had a crazy dream"; "wore a crazy
        hat"
     6: intensely enthusiastic about or preoccupied with; "crazy
        about cars and racing"
     n : someone deranged and possibly dangerous syn: loony, looney,
          weirdo
     also: craziest, crazier
see also:
brainsick demented distracted disturbed mad sick 
unbalanced unhinged half-baked screwball softheaded 
dotty gaga enamored infatuated in love 
smitten soft onp taken withp loony looney 
weirdo craziest crazier 

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

239 moby thesaurus words for "crazy":
   abnormal, absurd, anamorphous, ape, apish, arrested, asinine,
   askew, asymmetric, avid, babbling, backward, balmy, bananas, barmy,
   bats, batty, befooled, beguiled, bent, bereft of reason, besotted,
   beyond belief, bicolor, bicolored, big, bizarre, blithering,
   bonkers, bowed, brainless, brainsick, buffoonish, burbling,
   certifiable, cockamamie, cockeyed, colorful, colory, contorted,
   crackbrained, cracked, crackers, crackpot, crazed, credulous,
   cretinistic, cretinous, crooked, crumpled, crunched, cuckoo,
   daedal, daffy, daft, damned, dazed, deluded, demented,
   deprived of reason, deranged, deviative, dichromatic, dippy,
   disoriented, distorted, distraught, dithering, divers-colored,
   dizzy, doting, dotty, dreadful, driveling, drooling, dumb, eager,
   enthusiastic, erratic, excited, extravagant, fantastic, fatuitous,
   fatuous, flaked-out, flaky, flighty, fond, fool, foolheaded,
   foolish, fuddled, futile, gaga, goofy, grotesque, gulled,
   half-baked, half-witted, hallucinated, harebrained, harlequin,
   high-flown, idiotic, ill-considered, imbecile, imbecilic,
   impracticable, impractical, imprudent, inane, incredible, inept,
   infatuated, insane, irrational, irregular, kaleidoscopic, keen,
   keen on, kooky, labyrinthine, larruping, laughable, lawful, loco,
   loony, lopsided, ludicrous, lunatic, mad, maddened, main, maniac,
   manic, many-colored, maudlin, maundering, mazed, medley, mental,
   mentally defective, mentally deficient, mentally handicapped,
   mentally retarded, meshuggah, mongoloid, monstrous, moon-struck,
   moonstruck, moronic, motley, multicolor, multicolored,
   multicolorous, non compos, non compos mentis, nonsensical,
   nonsymmetric, not all there, not right, nuts, nutty, odd,
   of unsound mind, off, one-sided, outrageous, outre, parti-color,
   parti-colored, pointless, polychromatic, polychrome, polychromic,
   poppycockish, possessed, potty, preposterous, prismal, psycho,
   queer, rash, reasonless, reckless, retarded, ridiculous, risible,
   round the bend, sappy, screwball, screwy, senseless, sentimental,
   shot, shot through, sick, silly, simple, simpleminded,
   simpletonian, slobbering, spectral, sprung, stark-mad,
   stark-staring mad, strange, stupid, subnormal, tetched,
   thoughtless, thunder and lightning, tortuous, touched,
   trichromatic, trichromic, tricolor, tricolored, twisted, two-tone,
   unbalanced, unhinged, unsane, unsettled, unsound, unsymmetric,
   unworkable, varicolored, variegated, versicolor, versicolored,
   wacky, wandering, warped, weird, wet, wild, witless, zealous

Crazy >> C Words
Crazy, definition of term: Crazy
crazy_pag1.html

Crazy House >> C Words
Crazy House, definition of term: Crazy House
crazy+house_pag1.html

Crazy Horse >> C Words
Crazy Horse, definition of term: Crazy Horse
crazy+horse_pag1.html

Drive Crazy >> D Words
Drive Crazy, definition of term: Drive Crazy
drive+crazy_pag1.html