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Showing results for undecided. Search instead for undecideds.
Synonyms

undecided

American  
[uhn-di-sahy-did] / ˌʌn dɪˈsaɪ dɪd /

adjective

  1. not decided or determined.

  2. not having one's mind firmly made up.

    Synonyms:
    irresolute, vacillating, indecisive

noun

  1. a person who is undecided.

    Are you still among the undecideds?

undecided British  
/ ˌʌndɪˈsaɪdɪd /

adjective

  1. not having made up one's mind

  2. (of an issue, problem, etc) not agreed or decided upon

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms


Etymology

Origin of undecided

First recorded in 1530–40; un- 1 + decided


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

In mid-September, voters were closely divided about Proposition 41 — 37% in favor and 33% opposed — with a large number of undecided.

From Los Angeles Times ● Oct. 29, 2026

Two further areas, Cambridgeshire and West Sussex, are still waiting for merger plans to be agreed, totalling 15 regions where local government reorganisation plans remain undecided.

From BBC ● Oct. 29, 2026

That left a whopping 63% of Pratt voters undecided still.

From Los Angeles Times ● Oct. 28, 2026

A Star-Tribune poll found 9% undecided, including 29% of independents.

From The Wall Street Journal ● Oct. 21, 2026

Seeing him yet undecided, Jonathan walked to the edge of the field to get a drink of water from the clay jar by the gun.

From "The Fighting Ground" by Avi

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