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

aberrant \aber"rant\, a. l. aberrans, -rantis, p. pr. of
   aberrare. see aberr.
   1. wandering; straying from the right way.
      1913 webster

   2. biol. deviating from the ordinary or natural type;
      exceptional; abnormal.
      1913 webster

            the more aberrant any form is, the greater must have
            been the number of connecting forms which, on my
            theory, have been exterminated.       --darwin.
      1913 webster
see also:
aberr 

[2] : WordNet (r) 2.0

aberrant
     adj : markedly different from an accepted norm; "aberrent
           behavior"; "deviant ideas" syn: deviant
     n : one whose behavior departs substantially from the norm of a
         group
see also:
deviant 

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

137 moby thesaurus words for "aberrant":
   aberrative, abnormal, abominable, abroad, adrift, all abroad,
   all off, all wrong, amiss, amorphous, anomalistic, anomalous,
   askew, astray, at fault, atrocious, atypical, awry,
   beside the mark, circuitous, corrupt, criminal, deceptive,
   defective, delinquent, delusive, departing, desultory, deviant,
   deviating, deviational, deviative, deviatory, devious, different,
   digressive, discursive, disgraceful, disparate, distorted,
   divergent, eccentric, errant, erratic, erring, erroneous, evil,
   exceptional, excursive, fallacious, false, faultful, faulty,
   flawed, formless, hardly the thing, heretical, heteroclite,
   heterodox, heteromorphic, ignominious, illegal, illogical,
   illusory, improper, inappropriate, incorrect, indecorous, indirect,
   infamous, irregular, labyrinthine, mazy, meandering, not done,
   not right, not the thing, not true, odd, off, off the track,
   off-base, off-color, out, out-of-line, out-of-the-way, peccant,
   peculiar, perverse, perverted, planetary, preternatural, rambling,
   roving, sacrilegious, scandalous, self-contradictory, serpentine,
   shameful, shameless, shapeless, shifting, sinful, snaky, strange,
   stray, straying, subnormal, swerving, terrible, turning, twisting,
   undirected, undue, unfactual, unfit, unfitting, unlawful,
   unnatural, unorthodox, unproved, unrepresentative, unrighteous,
   unseemly, unsuitable, untrue, untypical, unusual, vagrant, veering,
   wandering, wicked, wide, winding, wrong, wrongful, zigzag

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