as in vague
not seen or understood clearly
plagued by undefined worries that kept her awake at night
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Example Sentences
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Recent Examples of undefined
When time off is undefined, the good ones don’t take PTO.
—
Preston Fore, Fortune, 23 Aug. 2025
The younger Bayh is largely undefined.
—Hayleigh Colombo, IndyStar, 19 Aug. 2025
Many have compared Gladys to a classic fairy tale antagonist, a villain whose undefined age and unambiguously evil motivations thrust a town into chaos.
—Brian Welk, IndieWire, 12 Aug. 2025
But with just two years to go, much remains undefined.
—Rhonda Richford, Footwear News, 3 Sep. 2019
See All Example Sentences for undefined
Preston Fore, Fortune, 23 Aug. 2025
The younger Bayh is largely undefined.
—Hayleigh Colombo, IndyStar, 19 Aug. 2025
Many have compared Gladys to a classic fairy tale antagonist, a villain whose undefined age and unambiguously evil motivations thrust a town into chaos.
—Brian Welk, IndieWire, 12 Aug. 2025
But with just two years to go, much remains undefined.
—Rhonda Richford, Footwear News, 3 Sep. 2019
See All Example Sentences for undefined
Recent Examples of Synonyms for undefined
Adjective
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And not just vague signs, actual amyloid plaques and tau tangles, the same hallmarks seen in human patients.—
Pranjal Malewar,
New Atlas,
14 Oct. 2025
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A lot of people bounce through the system because these symptoms are so vague.—
Katherine Fung,
MSNBC Newsweek,
14 Oct. 2025
Adjective
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His nephew said that, for decades, his grandparents had kept alive a faint hope that maybe their hero son had just been captured and would one day come gamboling through the front door to the family’s Brookside home.—
Eric Adler,
Kansas City Star,
10 Oct. 2025
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From this distance, Swift detected the faint ultraviolet glow of hydroxyl (OH), the product of water molecules broken apart by sunlight, the study reports.—
Sharmila Kuthunur,
Space.com,
10 Oct. 2025
Cite this Entry
“Undefined.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undefined. Accessed 17 Oct. 2025.
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