Synonyms|358Antonyms|119|Broader|7Narrower|1Related|1.3k

56 entries under crooked topic. ×

6
unprincipled(adjective, false, dishonest, immoral, deceitful)
5
knavish(adjective, hard, evil, rough, nasty)
5
unfair(adjective, false, corrupt, dishonest, immoral)
4
bent(adjective, false, dishonest, immoral, deceitful)
4
dishonorable(adjective, mean, bad, hard, evil)
4
shady(adjective, false, dishonest, immoral, deceitful)
4
sinister(adjective, false, corrupt, dishonest, immoral)
4
venal(adjective, mean, base, dishonest, immoral)
4
vicious(adjective, hard, evil, rough, nasty)
3
fraudulent(adjective, false, dishonest, immoral, deceitful)
3
nefarious(adjective, dishonest, immoral, rotten, untrustworthy)
3
rotten(adjective, hard, evil, rough, nasty)
3
underhanded(adjective, mean, base, false, dishonest)
2
base(adjective, mean, dishonest, immoral, rotten)
2
iniquitous(adjective, dishonest, immoral, rotten, untrustworthy)
2
mercenary(adjective, dishonest, immoral, rotten, untrustworthy)
2
unethical(adjective, dishonest, immoral, deceitful, rotten)
1
bribable(adjective, dishonest, immoral, rotten, untrustworthy)
1
debauched(adjective, dishonest, immoral, rotten, untrustworthy)
1
exploiting(adjective, dishonest, immoral, rotten, untrustworthy)
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APASmart Define. (2016). perfidious thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/perfidious/thesaurus/synonyms
ChicagoSmart Define. 2016. "perfidious thesaurus" https://smartdefine.org/perfidious/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, perfidious thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/perfidious/thesaurus/synonyms>.
MLASmart Define. "perfidious thesaurus" 4 March 2016. Web. 29 September 2026. <https://smartdefine.org/perfidious/thesaurus/synonyms>