8
dependable(adjective, weak, unreliable, responsible)
7
loyal(adjective, unreliable, dependable, faithful)
7
reliable(adjective, bad, weak, responsible)
4
certain
4
faithful(adjective, cool, weak, false, unfaithful)
4
responsible
4
trustworthy(adjective, false, doubtful, reliable, responsible)
3
tried
2
good
2
infallible
2
solid(adjective, weak, loose, unstable, reliable)
2
staunch(adjective, weak, resolute, unreliable, dependable)
2
steadfast
2
steady(adjective, unreliable, untrustworthy)
2
sure
2
tested
2
time-tested
2
tried and true
2
undeviating
1
constant
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APASmart Define. (2016). undependable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/undependable/thesaurus/antonyms
ChicagoSmart Define. 2016. "undependable thesaurus" https://smartdefine.org/undependable/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2016, undependable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/undependable/thesaurus/antonyms>.
MLASmart Define. "undependable thesaurus" 4 March 2016. Web. 22 September 2026. <https://smartdefine.org/undependable/thesaurus/antonyms>