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

In the new poll, Bass shot up to 41% of the Pratt vote, while Raman dropped to 14% and 45% were still undecided. — Noah Goldberg, Los Angeles Times, 28 Oct. 2026

While recent polls show Raman leading by several points, a significant number of voters remain undecided. — CBS News, 28 Oct. 2026

The final days were particularly important because a relatively small share of voters remained undecided about which party to support. — Efrat Lachter, FOXNews.com, 27 Oct. 2026

Bolsonaro made a tough-on-crime approach the cornerstone of his campaign and pledged to bring down food costs while Lula, trying to lure undecided voters, has invested in costly incentives. — Arkansas Online, 26 Oct. 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