undecided

adjective

un·​de·​cid·​ed ˌən-di-ˈsī-dəd How to pronounce undecided (audio)
Synonyms of undecidednext
1
: not having made a decision
undecided voters
… jurors announced they had reached verdicts on some counts, but remained undecided on some of the most serious charges.—David A. Kaplan
2
: not having an answer or result : not yet determined or settled
an undecided question/issue

Synonyms of undecided

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Examples of undecided in a Sentence

a number of undecided matters still before the committee voters still seem to be undecided about that candidate's fitness for the office of president
Recent Examples on the Web
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.
Like Escolastico, about 16% of the district’s voters were undecided as of September, according to a poll from Franklin and Marshall College. — Moriah Balingit, Los Angeles Times, 21 Oct. 2026 For now the nature of our universe—or universes—and the quantum rules that guide it are as undecided as the toss of a coin. — Philipp Strasberg, Scientific American, 20 Oct. 2026 Surrogates for El-Sayed, including local leaders and high-profile Democratic officials, have been holding house party events throughout the state to talk with undecided Jewish voters. — ABC News, 17 Oct. 2026 The New York Times reported that prosecutors are undecided as of Friday afternoon about refiling the charges. — Kevin Dolak, HollywoodReporter, 16 Oct. 2026 See All Example Sentences for undecided

Word History

First Known Use

1540, in the meaning defined at sense 2

Time Traveler
The first known use of undecided was in 1540

Rhymes for undecided

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Browse Nearby Words

undecidable
undecided
undecillion
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Cite this Entry

“Undecided.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undecided. Accessed 27 Oct. 2026.

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Kids Definition

undecided

adjective
un·​de·​cid·​ed
ˌən-di-ˈsīd-əd
1
: not yet decided : not settled
the question is still undecided
2
: not having decided : uncertain what to do
still undecided about it
undecidedly adverb
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