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

What eventually happens inside the former church remains undecided. — Kansas City Star, 15 Aug. 2026

For one, primary elections often have many more undecided voters, and people pay much less attention to the races — meaning those who have not made up their minds headed into election day can be easily persuaded. — Elizabeth Robinson, NBC news, 13 Aug. 2026

The poll also showed 2% would vote for another person and 5% remain undecided. — Mateo Rosiles, USA Today, 13 Aug. 2026

The poll found 55% of likely voters supporting Becerra, 37% backing Hilton and 7% undecided, with the results sharply divided by party and ideology. — John Woolfolk, Mercury News, 13 Aug. 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