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
The bodies float in an undefined space, at once intimate and strangely cosmic.
—
George Nelson, ARTnews.com, 8 May 2026
Create zones that give your patio a purpose The most functional patios don’t try to do everything in one undefined space.
—Lauren Jarvis-Gibson, Sacbee.com, 30 Apr. 2026
Texas regulators flagged dozens of deficiencies in Camp Mystic's emergency plan, saying missing flood maps, unclear evacuation procedures and undefined staff roles could hinder responses during disasters or medical emergencies.
—Doug Myers, CBS News, 24 Apr. 2026
Sid Vangala, senior AI systems engineer and architect at MasTec, said the industry is entering an era where responsibility boundaries are completely undefined.
—Arthur Zaczkiewicz, Footwear News, 20 Apr. 2026
See All Example Sentences for undefined
George Nelson, ARTnews.com, 8 May 2026
Create zones that give your patio a purpose The most functional patios don’t try to do everything in one undefined space.
—Lauren Jarvis-Gibson, Sacbee.com, 30 Apr. 2026
Texas regulators flagged dozens of deficiencies in Camp Mystic's emergency plan, saying missing flood maps, unclear evacuation procedures and undefined staff roles could hinder responses during disasters or medical emergencies.
—Doug Myers, CBS News, 24 Apr. 2026
Sid Vangala, senior AI systems engineer and architect at MasTec, said the industry is entering an era where responsibility boundaries are completely undefined.
—Arthur Zaczkiewicz, Footwear News, 20 Apr. 2026
See All Example Sentences for undefined
Recent Examples of Synonyms for undefined
Adjective
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Critics say Burnham’s politics are vague and fail to grapple with tough issues, such as where the money will come from to pay for his pledges.—
ABC News,
ABC News,
19 June 2026
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The truth is that the entire premise of the Cybercab rests on the promise of true autonomous operation, and that's the part that remains frustratingly vague.—
Utkarsh Sood
June 19,
New Atlas,
19 June 2026
Adjective
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However, some observers have reported hearing faint crackling or hissing noises during intense displays.—
Kaif Shaikh,
Interesting Engineering,
15 June 2026
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June's new moon is finally upon us, bringing with it a handful of precious dark nights in which to explore the wonders of the starry sky, before the familiar sight of the waxing lunar crescent returns to hide fainter targets from view.—
Anthony Wood,
Space.com,
14 June 2026
Cite this Entry
“Undefined.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undefined. Accessed 22 Jun. 2026.
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