undecided

adjective

un·​de·​cid·​ed ˌən-di-ˈsī-dəd 

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

Synonyms

• pending
• unsettled
• undetermined
• unresolved
• debatable

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

The latest Noble Predictive Insights survey, conducted between October 7-13, shows Lombardo leading Ford by 3 points—40 percent to 37 percent—with 23 percent of voters still undecided. —Martha McHardy, MSNBC Newsweek, 22 Oct. 2025

Fifteen percent were undecided or backing another candidate. —Eduardo Cuevas, USA Today, 21 Oct. 2025

Trump has said the war is over, although much remains undecided about the future of Gaza. —Sophie Carson, jsonline.com, 17 Oct. 2025

To earn the votes of the small subset of undecided voters, Mamdani has to show moderate voters that his ideas do not sit on the fringes. —Chantelle Lee, Time, 16 Oct. 2025

Word History

First Known Use

1540, in the meaning defined at sense 2

Rhymes for undecided

• coincided
• subdivided
• undivided
• unprovided
• abided
• collided
• confided
• decided
• derided
• divided
• elided
• lopsided

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