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 of undecided

• 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

As for the other 51% of respondents, 45% disapprove of Healey’s performance, while 6% were left undecided. —Tim Dunn, Boston Herald, 24 Apr. 2026

Yee and others like Thurmond resisted such calls, saying the race was still undecided. —Lia Russell, Sacbee.com, 20 Apr. 2026

With the large number of undecided voters, Yaroslavky believes that the race is still in the air. —Tom Wait, CBS News, 17 Apr. 2026

Collins, Fishback, and Renner are each in the single digits, although that’s primarily because 39% of likely voters remain undecided at this stage in the race. —David Zimmermann, The Washington Examiner, 17 Apr. 2026

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