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

But the board hasn’t shown much enthusiasm for the waiver, and an unofficial poll at the March meeting found four members opposed, three in favor and two undecided. —Meg Wingerter, Denver Post, 3 Apr. 2026

Voters in Los Angeles remain largely undecided in the mayor’s race, with 40% still weighing their options ahead of the June 2 primary, according to a UCLA Luskin School of Public Affairs poll released today. —City News Service, Daily News, 3 Apr. 2026

In the Emerson poll, more than 50% of voters were undecided on whom to support for mayor. —Los Angeles Times, 31 Mar. 2026

The survey, conducted March 8–9, shows Cooper ahead 50 percent to 32 percent, with Libertarian Shannon Bray at 4 percent and 14 percent undecided. —Jesus Mesa, MSNBC Newsweek, 30 Mar. 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