Synonyms|630Antonyms|95|Broader|3Narrower|0Related|637

78 entries under untrustworthy topic. ×

8
false(adjective, dishonest, cunning, deceitful, lying)
7
duplicitous(adjective, honest, dishonest, deceitful)
6
perfidious(adjective, false, corrupt, dishonest, immoral)
6
unprincipled(adjective, bad, wrong, false, corrupt)
5
elusive(adjective, mean, smooth, smart, false)
4
deceiving(adjective, false, wicked, dishonest, cunning)
4
insincere(adjective, false, dishonest, cunning, deceitful)
4
lying(adjective, false, corrupt, dishonest, cunning)
4
mendacious(adjective, false, dishonest, cunning, deceitful)
3
dubious(adjective, evil, corrupt, dishonest, irregular)
3
misleading(adjective, false, dishonest, cunning, deceitful)
3
traitorous(adjective, mean, smooth, smart, false)
3
untruthful(adjective, false, corrupt, dishonest, cunning)
2
amoral(corrupt, dishonest, immoral, fickle)
2
falsehearted(fickle, unprincipled, dirty-dealing)
2
lubricious(adjective, honest, dishonest, cunning, fickle)
2
two-timing(adjective, bad, wrong, false, corrupt)
1
cheating(adjective, bad, wrong, false, corrupt)
1
delusive(adjective, mean, smooth, smart, false)
1
disloyal(fickle, unprincipled, unfaithful, traitorous)
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APASmart Define. (2015). underhand thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/underhand/thesaurus/synonyms
ChicagoSmart Define. 2015. "underhand thesaurus" https://smartdefine.org/underhand/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, underhand thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/underhand/thesaurus/synonyms>.
MLASmart Define. "underhand thesaurus" 13 April 2015. Web. 1 October 2026. <https://smartdefine.org/underhand/thesaurus/synonyms>