undefined
adjective
un·de·fined
ˌən-di-ˈfīnd 
: not defined: such as
a
: not clearly or precisely shown, described, or limited
undefined rules
undefined powers
a vague, undefined feeling of dread
… the true outlines of Clinton's foreign policy remain undefined.—
William Greider
William Greider
b
: not provided with a definition
an undefined dictionary entry
Examples of undefined in a Sentence
plagued by undefined worries that kept her awake at night
Recent Examples on the Web
Over seven hallucinatory days, a village with no name, in an undefined time and place, disappears.
—Jill Goldsmith, Deadline, 1 Aug. 2025
Zegna is publicly listed on the New York Stock Exchange and Temasek previously acquired 12.7 million ordinary through market purchases, or a little less than 5 percent, in an undefined time frame.
—Luisa Zargani, Footwear News, 29 July 2025
Otherwise, high performers may burn themselves out trying to chase an undefined bar.
—Allbusiness, Forbes.com, 28 July 2025
Birdsell intends to keep the listing — with Denise Taylor of Green Tree Real Estate — up for six months before taking it down for listing at a later, undefined date.
—Katie Wiseman, IndyStar, 18 July 2025
See All Example Sentences for undefined
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Jill Goldsmith, Deadline, 1 Aug. 2025
Zegna is publicly listed on the New York Stock Exchange and Temasek previously acquired 12.7 million ordinary through market purchases, or a little less than 5 percent, in an undefined time frame.
—Luisa Zargani, Footwear News, 29 July 2025
Otherwise, high performers may burn themselves out trying to chase an undefined bar.
—Allbusiness, Forbes.com, 28 July 2025
Birdsell intends to keep the listing — with Denise Taylor of Green Tree Real Estate — up for six months before taking it down for listing at a later, undefined date.
—Katie Wiseman, IndyStar, 18 July 2025
See All Example Sentences for undefined
Cite this Entry
“Undefined.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undefined. Accessed 19 Aug. 2025.
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