[1] : WordNet (r) 2.0

unconscientious
     adj : not conscientious; not guided by a sense of right and wrong
           ant: conscientious
see also:
conscientious 

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

55 moby thesaurus words for "unconscientious":
   amoral, conscienceless, corrupt, corrupted, criminal, crooked,
   dark, devious, dishonest, dishonorable, doubtful, dubious, evasive,
   felonious, fishy, fraudulent, ill-got, ill-gotten, immoral,
   inaccurate, indirect, inexact, insidious, not kosher, questionable,
   rotten, shady, shameless, shifty, sinister, slippery, suspicious,
   tricky, unconscienced, unconscionable, uncritical, underhand,
   underhanded, unethical, unexacting, unfinical, unfussy,
   unmeticulous, unpainstaking, unparticular, unprecise, unprincipled,
   unpunctilious, unpunctual, unrigorous, unsavory, unscrupulous,
   unstraightforward, without remorse, without shame

Unconscientious >> U Words
Unconscientious, definition of term: Unconscientious
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