unconscientious

from WordNet (r) 3.0 (2006)
unconscientious
    adj 1: not conscientious; [ant: {conscientious}]
    
from 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

    

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