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
Those problems add to the fact that tokenized equities are relatively new and regulatory guidelines for the asset class remain largely undefined.
—
Liz Napolitano, CNBC, 5 Dec. 2025
However, these factors, along with a lack of clarity in Ab 432 regarding undefined terms, still raise significant cost and implementation concerns.
—Giulia Carbonaro, MSNBC Newsweek, 5 Dec. 2025
Frenzied shapes—sparks, ribbons, spirals, glyphs, shadowy crosses, serpents—float among them through an undefined ether, as if transmitting cryptic information.
—Alice Gregory, New Yorker, 16 Nov. 2025
The first phase leaves Hamas armed and operational, doesn’t guarantee disarmament or leadership exile, and Gaza’s post-war governance remains undefined.
—Tal Shalev, CNN Money, 11 Oct. 2025
See All Example Sentences for undefined
Liz Napolitano, CNBC, 5 Dec. 2025
However, these factors, along with a lack of clarity in Ab 432 regarding undefined terms, still raise significant cost and implementation concerns.
—Giulia Carbonaro, MSNBC Newsweek, 5 Dec. 2025
Frenzied shapes—sparks, ribbons, spirals, glyphs, shadowy crosses, serpents—float among them through an undefined ether, as if transmitting cryptic information.
—Alice Gregory, New Yorker, 16 Nov. 2025
The first phase leaves Hamas armed and operational, doesn’t guarantee disarmament or leadership exile, and Gaza’s post-war governance remains undefined.
—Tal Shalev, CNN Money, 11 Oct. 2025
See All Example Sentences for undefined
Recent Examples of Synonyms for undefined
Adjective
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But many have said that the public pledges remain too vague to gauge the program's full impact, and some experts have warned that the program is likely to be constrained by the courts.—
DEMOCRAT-GAZETTE STAFF FROM WIRE REPORTS,
Arkansas Online,
6 Feb. 2026
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Some legal experts and defense attorneys say aspects of the law are vague and could lead to improper arrests and unsuccessful prosecutions in Florida courts.—
Shira Moolten,
Sun Sentinel,
6 Feb. 2026
Adjective
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To observe the faintest and most distant objects in the universe, telescopes need dark, dry and stable skies, conditions that are increasingly rare on Earth.—
Kenna Hughes-Castleberry,
Space.com,
9 Feb. 2026
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Kabocha is usually dark green or orange with faint stripes or bumps on the outside, with vibrant orange flesh on the inside.—
Melissa Kravitz Hoeffner,
Martha Stewart,
9 Feb. 2026
Cite this Entry
“Undefined.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undefined. Accessed 15 Feb. 2026.
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