Etymology From Middle English undecided, equivalent to un- + decided.
1
Open and not yet settled or determined.
The question of man's destiny is still undecided.
2
Uncommitted, not having reached a decision.
The result of the election is in doubt because of a large number of undecided voters.
First, you say, you do And then you don't And then you say, you will And then you won't You're undecided now So what are you gonna do? Now you want to play And then it's no And when you say, you'll stay That's when you go You're undecided now So what are you gonna do?1939, “Undecided”, performed by Ella Fitzgerald, Chick Webb and his Orchestra:
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Perot was witty and comfortable in his own skin, which I thought would reassure his supporters and perhaps sway some of the undecided voters.2005, Bill Clinton, My Life, →ISBN, page 439:
But she’s on text chains with scores of Jewish voters in this swing state who are still undecided and open to arguments from Republicans aggressively pursuing them.2024 October 22, Dana Bash and Courtney Pence, “In battleground Pennsylvania, undecided Jewish voters could help swing the election”, in CNN:
Etymology From Middle English undecided, equivalent to un- + decided.
1
A voter etc. who has not yet come to a decision.
The real drama came as these two camps fought for undecideds, who literally found themselves in the middle.2008 February 17, Jennifer Finney Boylan, “At the Maine Caucuses, a Tough Nut to Crack”, in The New York Times, archived from the original on 26 Nov 2022:
[…] but that is a highly flawed procedure if the undecideds differ in major ways from the decideds.2016, Herb Asher, Polling and the Public: What Every Citizen Should Know:
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“Independents opposed the bill by around a 3-to-1 margin … The KFF and Fox News polls – the ones with the fewest undecideds – showed 7 in 10 independents opposed it,” Blake wrote.2025 June 27, Zachary B. Wolf, “Trump is losing support among independent voters. Who are they?”, in CNN: