as in vague
not seen or understood clearly
plagued by undefined worries that kept her awake at night
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Recent Examples of undefined
Though editor Yorgos Mavropsaridis (a Yorgos Lanthimos regular) cuts the film with brisk concision, there’s also a welcome temporal elasticity here — the sense that life can change in the blink of an eye, but also stall for undefined passages.
—
Guy Lodge,
Variety,
19 June 2026
Well, the Thirteenth Amendment left the country with 4 million freed slaves, undefined.
—
David Frum,
The Atlantic,
10 June 2026
Those that hand a broken or undefined process to an agent typically get faster, more consistent failures.
—
Rhett Power,
Forbes.com,
7 June 2026
The bodies float in an undefined space, at once intimate and strangely cosmic.
—
George Nelson,
ARTnews.com,
8 May 2026
See All Example Sentences for undefined
Guy Lodge,
Variety,
19 June 2026
Well, the Thirteenth Amendment left the country with 4 million freed slaves, undefined.
—
David Frum,
The Atlantic,
10 June 2026
Those that hand a broken or undefined process to an agent typically get faster, more consistent failures.
—
Rhett Power,
Forbes.com,
7 June 2026
The bodies float in an undefined space, at once intimate and strangely cosmic.
—
George Nelson,
ARTnews.com,
8 May 2026
See All Example Sentences for undefined
Recent Examples of Synonyms for undefined
Adjective
-
There’s no reason to think, for example, that decisions made by political appointees based on vague standards would be any more transparent than those made by peer reviewers based on scientific merit.
-
American Mission’s partnership with the company, as well as the ads’ vague message about Donalds, exemplify the opaque nature of the AI industry’s spending in the 2026 election cycle.
Adjective
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Croatia looked to have tied the game in the final moments, but the faintest of touches by a Croatian player made Croatia offside.
-
Look almost directly above Mars for a much fainter, star-like point of light.
Cite this Entry
“Undefined.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undefined. Accessed 5 Jul. 2026.
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