undefined

adjective

ˌən-di-ˈfīnd How to pronounce undefined (audio)
Definition of undefinednext
as in vague
not seen or understood clearly plagued by undefined worries that kept her awake at night

Synonyms & Similar Words

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Antonyms & Near Antonyms

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of undefined The message of the Corcoran cancellation was that crossing some undefined line of decency gave the government license to come after you. — Louis Menand, New Yorker, 13 July 2026 But their relationship remains undefined, and kind of over after Carter drunkenly ruins Beulah's big party. — Bryan Alexander, USA Today, 3 July 2026 Anyway, things continue to be tenuous at The Bear, as Sydney, Richie, Natalie and Carmy are forced to adjust to their new status quo, with a wholly undefined new power structure. — Daniel Fienberg, HollywoodReporter, 25 June 2026 Backed by key rivals yet still largely undefined on national policy, Burnham faces calls for a full contest as his party deliberates. — Jill Lawless, Los Angeles Times, 23 June 2026 See All Example Sentences for undefined
Recent Examples of Synonyms for undefined
  1. vague
  2. faint
Adjective
  • Maybe you’re tempted to overanalyze someone’s tone or a friend’s vague promise.
    — Valerie Mesa, PEOPLE, 3 Sep. 2026
  • Aquarius January 20 – February 18 A vague request could create an impressive amount of unnecessary work today.
    — Tarot.com, New York Daily News, 1 Sep. 2026
Definition of vague
Adjective
  • This stage begins when the moon enters the faint edges of Earth's shadow, called the penumbra.
    — Julia Gomez, USA Today, 27 Aug. 2026
  • That year, the Perseids will peak in the glare of a waxing moon just four days from turning full, and the moonlight will hide many of the shower's fainter shooting stars.
    — Anthony Wood, Space.com, 24 Aug. 2026
Definition of faint

Browse Nearby Words

undefinable
undefined
undeformed
See all Nearby Words

Cite this Entry

“Undefined.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undefined. Accessed 5 Sep. 2026.

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