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

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.
Fox News has Bottoms ahead at 52%, Jackson at 48%, with no accounting for undecided voters. Irene Wright, USA Today, 1 Sep. 2026 Independents, an important bloc in Michigan, were split 36%-36% with 29% undecided. Todd Spangler, Freep.com, 31 Aug. 2026 Although the association’s alert calls for urgency legislation, Lennox said the proposal’s final vehicle remains undecided. Chaewon Chung updated August 26, Sacbee.com, 26 Aug. 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

Browse Nearby Words

Cite this Entry

“Undecided.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undecided. Accessed 7 Sep. 2026.

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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster