12
unreliable(adjective, clear, strong, weak)
11
undependable(adjective, weak, unreliable, responsible, irresponsible)
9
disloyal(adjective, weak, unreliable)
8
untrustworthy(adjective, open, weak, honest, unreliable)
7
erratic(adjective, calm, unpredictable, consistent, wandering)
7
not good
7
shameful
6
dishonest(adjective, weak, unreliable)
5
changeable
5
false
5
uncertain(adjective, weak, unreliable)
5
unfaithful(adjective, weak, unreliable)
5
unsteady(adjective, weak, stable, unreliable)
4
capricious(adjective, reasonable, predictable, given)
4
faithless
4
fickle
4
fly-by-night(adjective, unreliable, shady, reputable)
4
inconstant
4
lying
4
mendacious
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APASmart Define. (2015). dependable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/dependable/thesaurus/antonyms
ChicagoSmart Define. 2015. "dependable thesaurus" https://smartdefine.org/dependable/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2015, dependable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/dependable/thesaurus/antonyms>.
MLASmart Define. "dependable thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/dependable/thesaurus/antonyms>