16
loyal(adjective, open, honest, unreliable)
6
trustworthy(adjective, open, honest, false, doubtful)
6
dependable(adjective, open, weak, honest, unreliable)
6
honest(adjective, open, false, corrupt, candid)
6
reliable(adjective, bad, open, weak, honest)
5
responsible(adjective, open, right, honest, innocent)
5
true(adjective, open, honest, uncertain, dishonest)
4
faithful(adjective, open, cool, weak, honest)
4
authentic(adjective, fake, false)
4
decent
4
trusty(adjective, trustworthy)
3
sure
2
constant(adjective, sympathetic, determined, broken, finished)
2
creditworthy
2
devoted(adjective, false, uncaring)
2
fiducial
2
honorable(adjective, bad, immoral)
2
reputable(adjective, worthy, disreputable)
2
secure(weak, soft, unreliable)
2
sincere(adjective, honest, false, straightforward, insincere)
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APASmart Define. (2016). untrustworthy thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/untrustworthy/thesaurus/antonyms
ChicagoSmart Define. 2016. "untrustworthy thesaurus" https://smartdefine.org/untrustworthy/thesaurus/antonyms (accessed September 30, 2026).
HarvardSmart Define 2016, untrustworthy thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/untrustworthy/thesaurus/antonyms>.
MLASmart Define. "untrustworthy thesaurus" 14 March 2016. Web. 30 September 2026. <https://smartdefine.org/untrustworthy/thesaurus/antonyms>