1
rascally(adjective, adverb, mean, bad, evil)
1
renegade(adjective, mean, bad, evil, base)
1
scheming
1
scoundrelly(adjective, mean, bad, evil, base)
1
sharp
1
surreptitious
1
traitorous(adjective, mean, bad, evil, low)
1
treasonable(adjective, mean, bad, evil, base)
1
treasonous(adjective, fickle, untrustworthy, unprincipled, dirty-dealing)
1
trickish
1
two faced
1
uncandid
1
unfaithful(adjective, mean, bad, evil, low)
1
unfrank
1
unreliable
1
unscrupulous(adjective, mean, bad, evil, base)
1
unsincere
1
untrustworthy(adjective, mean, bad, evil, base)
1
venal(adjective, mean, bad, evil, base)
1
villainous(adjective, mean, bad, evil, base)
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APASmart Define. (2015). falsehearted thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/falsehearted/thesaurus/synonyms
ChicagoSmart Define. 2015. "falsehearted thesaurus" https://smartdefine.org/falsehearted/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, falsehearted thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/falsehearted/thesaurus/synonyms>.
MLASmart Define. "falsehearted thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/falsehearted/thesaurus/synonyms>