58 entries under fickle topic. ×

40
treacherous(adjective, mean, hard, wrong, continue)
27
dishonest(adjective, wrong, false, immoral, deceitful)
26
traitorous(adjective, mean, continue, base, false)
22
faithless(noun, adjective, mean, continue, base)
21
disloyal(adjective, mean, continue, base, false)
19
unfaithful(noun, adjective, mean, continue, base)
18
untrustworthy(adjective, mean, base, false, dishonest)
12
double-dealing(noun, adjective, mean, wrong, base)
12
lying(noun, adjective, false, dishonest, deceitful)
8
treasonable(adjective, mean, base, false, dishonest)
8
treasonous(adjective, untrustworthy, unprincipled, disloyal)
7
duplicitous(noun, adjective, mean, bad, base)
6
inconstant(adjective, false, dishonest, immoral, rotten)
6
underhand(adjective, false, corrupt, dishonest, immoral)
6
unprincipled(adjective, false, dishonest, immoral, deceitful)
4
two-timing(adjective, wrong, false, dishonest, deceitful)
4
untruthful(noun, adjective, wrong, false, dishonest)
3
double-faced(deceitful, unprincipled, dirty-dealing, improbity)
2
double-crossing(adjective, wrong, false, dishonest, deceitful)
2
falsehearted(adjective, mean, bad, evil, low)
<123>
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APASmart Define. (2016). perfidious thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/perfidious/thesaurus/synonyms
ChicagoSmart Define. 2016. "perfidious thesaurus" https://smartdefine.org/perfidious/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, perfidious thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/perfidious/thesaurus/synonyms>.
MLASmart Define. "perfidious thesaurus" 4 March 2016. Web. 24 September 2026. <https://smartdefine.org/perfidious/thesaurus/synonyms>