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

260 entries under adjective topic. ×

1
incontinent(false, untrue, disloyal, cheating)
1
infamous(hard, evil, rough, nasty)
1
infidel
1
insurgent
1
liverish(hard, evil, rough, nasty)
1
lousy(hard, evil, rough, nasty)
1
low-down and dirty(expression, idiom, hard, evil)
1
malign(hard, evil, rough, nasty)
1
misleading(wrong, false, dishonest, deceitful)
1
moonlighting(false, fickle, untrue, untrustworthy)
1
mythomaniac(mean, bad, evil, base)
1
not true to(expression, idiom, false, fickle)
1
of bad faith(expression, idiom, false, fickle)
1
on the take(expression, idiom, dishonest, immoral)
1
open(dishonest, immoral, rotten, untrustworthy)
1
padded(dishonest, immoral, rotten, untrustworthy)
1
perjurious(fickle, untrustworthy, unprincipled, dirty-dealing)
1
pesky(hard, evil, rough, nasty)
1
philandering(false, untrue, disloyal, cheating)
1
praetorian(dishonest, immoral, rotten, untrustworthy)
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APASmart Define. (2016). perfidious thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/perfidious/thesaurus/synonyms
ChicagoSmart Define. 2016. "perfidious thesaurus" https://smartdefine.org/perfidious/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, perfidious thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/perfidious/thesaurus/synonyms>.
MLASmart Define. "perfidious thesaurus" 4 March 2016. Web. 27 September 2026. <https://smartdefine.org/perfidious/thesaurus/synonyms>