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

Now, Democrats have 237 seats, well past the 218 needed for a majority, and some races remain undecided. — Justine McDaniel, Los Angeles Times, 4 Nov. 2026

The poll, released on Sunday, had Lamont leading by 54% to 41% over Fazio with 4% undecided. — Christopher Keating, Hartford Courant, 3 Nov. 2026

The midterm elections are officially underway, and against all odds, there are still thousands of undecided voters debating whom to vote for. — Hershal Pandya, Vulture, 3 Nov. 2026

Despite the recent trend favoring Republicans among previously undecided voters in the survey, all seven Democratic candidates are still viewed more favorably by independents. — Carter Schroppe, The Washington Examiner, 2 Nov. 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