260 entries under adjective topic. ×

1
adulterous(false, fickle, untrue, untrustworthy)
1
amoral(fickle, untrustworthy, unprincipled, dirty-dealing)
1
antagonistic
1
artificial
1
bad-tempered(hard, evil, rough, nasty)
1
bitter
1
black-hearted
1
bribable(dishonest, immoral, rotten, untrustworthy)
1
calculating
1
callous(hard, evil, rough, nasty)
1
canny
1
cantankerous(hard, evil, rough, nasty)
1
canting(mean, bad, evil, base)
1
catty
1
changeful(false, dishonest, dubious, fickle)
1
committing perjury(expression, wrong, false, dishonest)
1
conscienceless
1
contemptible(hard, evil, rough, nasty)
1
corrosive
1
debauched(dishonest, immoral, rotten, untrustworthy)
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APASmart Define. (2016). perfidious thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/perfidious/thesaurus/synonyms
ChicagoSmart Define. 2016. "perfidious thesaurus" https://smartdefine.org/perfidious/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, perfidious thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/perfidious/thesaurus/synonyms>.
MLASmart Define. "perfidious thesaurus" 4 March 2016. Web. 26 September 2026. <https://smartdefine.org/perfidious/thesaurus/synonyms>