Search Result for "unconscientiousness": 
Wordnet 3.0

NOUN (2)

1. the quality of being willing to ignore the dictates of conscience;

2. the trait of not being painstaking or careful; 



WordNet (r) 3.0 (2006):

unconscientiousness
    n 1: the quality of being willing to ignore the dictates of
         conscience [ant: conscientiousness]
    2: the trait of not being painstaking or careful [ant:
       conscientiousness, painstakingness]