Synonyms|282Antonyms|54|Broader|1Narrower|0Related|1.5k

41 entries under rotten topic. ×

16
unscrupulous(adjective, hard, evil, rough, nasty)
11
dishonest(adjective, false, wicked, immoral, cunning)
10
fraudulent(adjective, false, dishonest, immoral, cunning)
6
foul(adjective, dishonest, immoral, untrustworthy)
6
reprobate(adjective, dishonest, immoral, untrustworthy)
6
treacherous(adjective, hard, evil, rough, nasty)
6
unethical(adjective, dishonest, immoral, untrustworthy)
6
unprincipled(adjective, wicked, dishonest, immoral)
5
crooked(adjective, wicked, dishonest, immoral)
5
iniquitous(adjective, wicked, dishonest, immoral)
5
perfidious(adjective, hard, evil, rough, nasty)
4
base(adjective, wicked, dishonest, immoral)
4
nefarious(adjective, wicked, dishonest, immoral)
4
untrustworthy(adjective, false, dishonest, immoral, cunning)
3
faithless(adjective, dishonest, immoral, cunning)
2
double-dealing(adjective, false, dishonest, immoral, cunning)
2
shady(adjective, wicked, dishonest, immoral)
2
two-faced(adjective, false, dishonest, immoral, cunning)
1
bent(adjective, dishonest, immoral, untrustworthy)
1
bribable(adjective, dishonest, immoral, untrustworthy)
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ChicagoSmart Define. 2015. "knavish thesaurus" https://smartdefine.org/knavish/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, knavish thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/knavish/thesaurus/synonyms>.
MLASmart Define. "knavish thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/knavish/thesaurus/synonyms>