undependable

adjective

Definition of undependablenext
as in unreliable
likely to change frequently, suddenly, or unexpectedly He finally decided he could not be with someone so undependable. The spring weather was undependable, but we found a clear weekend for kayaking before too long.

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of undependable Food, water and other resources would have to be shipped from home, at distances that make the supply frighteningly undependable. — Michael Hiltzik, Los Angeles Times, 16 Oct. 2024 And then there’s Kimberly’s home life, which features an emotionally and physically fragile mom preparing to give birth and an undependable alcoholic father. — Rob Hubbard, Twin Cities, 25 Feb. 2026 Yasmin, who was ousted from Pierpoint after a tabloid scandal involving her publishing-magnate father threatened to sully the bank by association, has turned to another undependable man for salvation, proposing to an aristocratic failson called Sir Henry Muck (Kit Harington). — Inkoo Kang, New Yorker, 9 Feb. 2026 That includes Nessel, whose lawsuit against PBMs, filed April 28, argues that having a local pharmacy option is important for elderly patients, those with undependable mail service, those with complicated prescription regimens and patients in immediate need of medication. — Jc Reindl, Freep.com, 8 Mar. 2024 See All Example Sentences for undependable
Recent Examples of Synonyms for undependable
unreliable
Adjective
  • Employees quickly abandon systems that are slow, unreliable or difficult to use.
    — Damini Sood, Forbes.com, 2 July 2026
  • But weak charging infrastructure, limited and unreliable electricity supply outside major cities, and high financing costs could constrain widespread adoption on the continent, even as investors race to build out infrastructure.
    — Jenny Vaughan, semafor.com, 1 July 2026
Definition of unreliable

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undeniably
undependable
under
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Cite this Entry

“Undependable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undependable. Accessed 7 Jul. 2026.

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