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

abnormal \abnor"mal\, a. for earlier anormal, f. anormal, ll.
   anormalus for anomalus, gr. ?. confused with l. abnormis. see
   anomalous, abnormous, anormal.
   not conformed to rule or system; deviating from the type;
   anomalous; irregular. "that deviating from the type;
   anomalous; irregular. " --froude.
   1913 webster
see also:
anomalous abnormous anormal 

[2] : WordNet (r) 2.0

abnormal
     adj 1: not normal; not typical or usual or regular or conforming to
            a norm; "abnormal powers of concentration"; "abnormal
            amounts of rain"; "abnormal circumstances"; "an
            abnormal interest in food" ant: normal
     2: departing from the normal in e.g. intelligence and
        development; "they were heartbroken when they learned
        their child was abnormal"; "an abnormal personality" ant:
         normal
     3: much greater than the normal; "abnormal profits"; "abnormal
        ambition"
see also:
normal 

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

155 moby thesaurus words for "abnormal":
   aberrant, abominable, absurd, amorphous, anomalistic, anomalous,
   atrocious, atypical, bereft of reason, brainsick, crackbrained,
   cracked, crank, crankish, cranky, crazed, crazy, criminal,
   crotchety, daft, delinquent, deluded, demented, deprived of reason,
   deranged, deviant, deviative, different, disgraceful, disoriented,
   disproportionate, distraught, divergent, dotty, eccentric, erratic,
   evil, exceptional, fey, flaky, flighty, formless, freakish, funny,
   hallucinated, hardly the thing, heteroclite, heteromorphic,
   idiocratic, idiosyncratic, ignominious, illegal, improper,
   inappropriate, incoherent, incommensurable, incommensurate,
   incompatible, incongruous, inconsequent, inconsistent, inconsonant,
   incorrect, indecorous, infamous, insane, irrational,
   irreconcilable, irregular, kinky, kooky, loco, lunatic, mad,
   maddened, maggoty, manic, mazed, mental, mentally deficient,
   meshuggah, moon-struck, non compos, non compos mentis,
   not all there, not done, not right, not the thing, nutty, odd,
   oddball, of unsound mind, off, off-base, off-color, off-key,
   out of proportion, out-of-line, oxymoronic, paradoxical, peculiar,
   preternatural, psycho, queer, quirky, reasonless, sacrilegious,
   scandalous, screwball, screwy, self-contradictory, senseless,
   shameful, shameless, shapeless, sick, sinful, singular, stark-mad,
   stark-staring mad, strange, stray, straying, subnormal, terrible,
   tetched, touched, twisted, unbalanced, unconventional, uncustomary,
   undue, unfit, unfitting, unhinged, unlawful, unnatural, unregular,
   unrepresentative, unrighteous, unsane, unseemly, unsettled,
   unsound, unsuitable, untypical, unusual, unwonted, wacky,
   wandering, whimsical, wicked, witless, wrong, wrongful

[4] : THE DEVIL'S DICTIONARY ((C)1911 Released April 15 1993)

abnormal, adj.  not conforming to standard.  in matters of thought and
conduct, to be independent is to be abnormal, to be abnormal is to be
detested.  wherefore the lexicographer adviseth a striving toward the
straiter sic resemblance of the average man than he hath to himself. 
whoso attaineth thereto shall have peace, the prospect of death and
the hope of hell.

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