un·​de·​cid·​ed | \ ˌən-di-ˈsī-dəd \

Definition of undecided

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

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Synonyms & Antonyms for undecided


open, pending, undetermined, unresolved, unsettled


decided, determined, resolved, settled

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Examples of undecided in a Sentence

Recent Examples on the Web

The stalwart offensive lineman is among several Rams whose futures are undecided. Greg Beacham, The Seattle Times, "McVay, Goff begin shaking off Rams’ loss, focusing on future," 5 Feb. 2019 Those many undecided voters could decide that de León’s progressive plans fit them better than Feinstein’s more moderate stances, although that’s a longshot bet. John Wildermuth, SFChronicle.com, "Poll shows Feinstein with big lead over Kevin de León, but there’s a surprise," 22 June 2018 One of the recurring features in the polling in all of these competitive primaries this spring has been the large number of undecided voters, which have been consistently in the double digits. Emily Cadei, sacbee, "Democrats on edge in California congressional races," 1 June 2018 Contested races in Florida, Arizona, and California remain undecided. Marie Claire, "One Week Post-Midterms Here's What We Know," 13 Nov. 2018 There are 98 women projected to win house races, according to CNN, and there are still two more undecided races where two women are running against each other. Erica Gonzales, Harper's BAZAAR, "20 Big Firsts and Historic Wins from the 2018 Midterm Elections," 7 Nov. 2018 Huerter, the less heralded of the Terps’ then-undecided early-entry candidates — classmate Justin Jackson had already signed with an agent — impressed as a shooter, passer and athlete. Jonas Shaffer, baltimoresun.com, "With Huerter gone and Fernando back, Maryland basketball has familiar potential and problems ahead," 2 June 2018 With all eight postseason match-ups left undecided entering Wednesday’s action, the final night of the regular season was set up to be beautifully chaotic. Ben Golliver, SI.com, "2018 NBA Playoffs: The Biggest Questions For Each Series," 12 Apr. 2018 If Democrats don’t gain any more seats from the five undecided races, and all members vote for a candidate, Mrs. Pelosi can lose as many as 15 Democrats and still win the 218 votes needed for a majority, assuming all Republicans vote against her. Natalie Andrews, WSJ, "Nancy Pelosi Works to Quell Dissent Within Her Party," 19 Nov. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'undecided.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of undecided

1540, in the meaning defined at sense 2

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Statistics for undecided

Last Updated

13 Feb 2019

Look-up Popularity

Time Traveler for undecided

The first known use of undecided was in 1540

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More Definitions for undecided



English Language Learners Definition of undecided

: not having made a decision
: not having an answer or result : not yet settled or resolved


un·​de·​cid·​ed | \ ˌən-di-ˈsī-dəd\

Kids Definition of undecided

1 : not yet settled or decided The date for the picnic is still undecided.
2 : not having decided : uncertain what to do We are still undecided about where to stay.

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