350 entries under adjective topic. ×

2
truthless(true, unreliable, insecure, treacherous)
2
two-timing(false, dishonest, deceitful, lying)
2
unaccountable(careless, immoral, thoughtless, reckless)
2
unauthenticated
2
undecided(uncertain, nervous, doubtful, hesitant)
2
unethical(dishonest, immoral, rotten, fickle)
2
unpatriotic(fickle, untrue, unprincipled, treacherous)
2
unrespectable(dishonest, shameful, disgraceful, crooked)
2
unsteadfast
2
vacillating(weak, uncertain, nervous, doubtful)
2
variable(weak, loose, uncertain, doubtful)
2
venal(mean, bad, base, dishonest)
2
wobbly(weak, uncertain, nervous, sensitive)
1
accident-sensitive(unreliable, insecure, treacherous, incalculable)
1
adulterine(false, fickle, untrue, unprincipled)
1
adulterous(false, fickle, untrue, unprincipled)
1
bad
1
betwixt and between(expression, idiom, uncertain, nervous)
1
biased
1
borderline(weak, uncertain, nervous, sensitive)
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APASmart Define. (2016). untrustworthy thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/untrustworthy/thesaurus/synonyms
ChicagoSmart Define. 2016. "untrustworthy thesaurus" https://smartdefine.org/untrustworthy/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, untrustworthy thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/untrustworthy/thesaurus/synonyms>.
MLASmart Define. "untrustworthy thesaurus" 14 March 2016. Web. 1 October 2026. <https://smartdefine.org/untrustworthy/thesaurus/synonyms>