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

And with so many position battles still undecided, the full-speed reps ahead should help clarify the pecking order. —Zach Sweet, Kansas City Star, 3 Aug. 2025

The largest slice of likely voters, 29%, were undecided. —Nicole Nixon july 30, Sacbee.com, 30 July 2025

More than a quarter of Virginians are undecided, and there is good news for both candidates. —Andrew Stanton, MSNBC Newsweek, 16 July 2025

Donalds, a Republican, is polling at about a five-point lead over David Jolly, the most notable Democratic candidate, with about a third of voters still undecided, according to the polling firm Victory Insights. —Miami Herald, 3 July 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