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

67 entries under untruthful topic. ×

8
mendacious(noun, adjective, wrong, false, dishonest)
8
slippery(adjective, false, corrupt, dishonest, immoral)
8
unreliable(adjective, wrong, false, dishonest, deceitful)
7
tricky(adjective, wrong, false, dishonest, deceitful)
7
villainous(adjective, mean, bad, evil, base)
6
inconstant(adjective, false, dishonest, immoral, rotten)
6
underhand(adjective, false, corrupt, dishonest, immoral)
6
unprincipled(adjective, false, dishonest, immoral, deceitful)
5
unfair(adjective, false, corrupt, dishonest, immoral)
4
bent(adjective, false, dishonest, immoral, deceitful)
4
dissembling(noun, adjective, wrong, false, dishonest)
4
shady(adjective, false, dishonest, immoral, deceitful)
4
sinister(adjective, false, corrupt, dishonest, immoral)
4
two-timing(adjective, wrong, false, dishonest, deceitful)
4
wily(adjective, false, deceitful, lying, subtle)
3
deceiving(adjective, mean, bad, evil, false)
3
designing(adjective, false, deceitful, lying, subtle)
3
fraudulent(adjective, false, dishonest, immoral, deceitful)
3
sneaky(adjective, false, deceitful, lying, subtle)
3
unctuous(adjective, false, deceitful, lying)
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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>