un·​de·​cid·​ed | \ ˌən-di-ˈsī-dəd How to pronounce undecided (audio) \

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

Advertising An analysis in February also found that the new congresswoman is polarizing, which would be important to presidential candidates seeking to energize Democratic voters and draw support from undecided or moderate ones. Laurie Kellman, The Seattle Times, "Ocasio-Cortez can’t run, but she’s a big part of 2020 race," 30 Mar. 2019 After two federal court rulings and a flurry of legal filings over a 24-hour period, uncertainty still hangs over Georgia’s midterm elections, including the still undecided race for governor. Kate Brumback, The Seattle Times, "Amid legal wrangling, Georgia election uncertainty lingers," 13 Nov. 2018 Besides the large share of undecided voters, the NBC/Marist poll showed many Democrats with a preference could change their minds. Anthony Man, Sun-Sentinel.com, "Democratic governor candidates seek edge for final sprint to primary," 2 July 2018 Among undecided voters, Republicans outnumbered Democrats nearly 2-to-1. Scott Wartman, Cincinnati.com, "This new poll about Ohio's 2018 election should worry Republicans," 12 June 2018 Talking about immigration could lose undecided centrist voters for either party, Kousser said. Kate Morrissey, sandiegouniontribune.com, "Will debate over immigration, sanctuary law be at center of November elections?," 11 June 2018 By his own internal polling, Levine is taking about one in every four Democratic votes, with more than a third of all voters still undecided. David Smiley, miamiherald, "Levine's money has him ahead in Florida's Democratic primary. But will his lead hold? | Miami Herald," 8 May 2018 And just last week, Messer suggested the number of undecided voters may still outnumber the number of voters supporting any single candidate. Tony Cook, Indianapolis Star, "After enduring Indiana's nasty, pricey Senate primary, it's decision time for GOP voters," 4 May 2018 Hugin, with much money at his disposal, could persuade most of those undecided voters to move his way. Kyle Potter, BostonGlobe.com, "Prominent GOP critic of Trump enters Minnesota Senate race," 30 Apr. 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

24 Apr 2019

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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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