Synonyms|715Antonyms|169|Broader|6Narrower|14Related|1.2k
18
careless
9
shameful
8
work-shy
7
half ass
6
outrageous
5
unconscientious(adjective, indifferent, undemanding)
5
irresponsible(adjective, indifferent, undemanding)
5
unscrupulous(adjective, indifferent, undemanding)
5
lazy
4
conscienceless
4
indifferent(adjective, undemanding)
4
neglectful
4
corrupt(adjective, indifferent, undemanding)
4
sinful
4
unjust(adjective, indifferent, undemanding)
3
dishonest
3
immoral(adjective, indifferent, undemanding)
3
negligent
3
non-punctual
3
unethical
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APASmart Define. (2015). conscientious thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/conscientious/thesaurus/antonyms
ChicagoSmart Define. 2015. "conscientious thesaurus" https://smartdefine.org/conscientious/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2015, conscientious thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/conscientious/thesaurus/antonyms>.
MLASmart Define. "conscientious thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/conscientious/thesaurus/antonyms>