Synonyms|370Antonyms|91|Broader|4Narrower|1Related|677
10
imperfect
9
wrong
8
corrupt
7
wicked
6
culpable
5
faulty
4
barbarous
4
flawed
4
amateurish
3
sub-par
2
defective
2
bad
2
impure(adjective, mixed, pure, physically)
2
assumed
1
brutish
1
censurable
1
contaminating
1
suspicious
0
amiss
0
barbaric
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APASmart Define. (2016). impeccable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/impeccable/thesaurus/antonyms
ChicagoSmart Define. 2016. "impeccable thesaurus" https://smartdefine.org/impeccable/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, impeccable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/impeccable/thesaurus/antonyms>.
MLASmart Define. "impeccable thesaurus" 31 March 2016. Web. 23 September 2026. <https://smartdefine.org/impeccable/thesaurus/antonyms>