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

Recent polls show Raman leading Bass by a few points, but those same polls show almost a third of voters are still undecided. — CBS News, 7 Oct. 2026

Around the same time in 2022, the Datafolha poll found just 2% were undecided. — ABC News, 7 Oct. 2026

About 45% of likely voters supported Proposition 40, while 42% opposed it and 13% were undecided in a late September poll by UC Berkeley and the Los Angeles Times. — Seema Mehta, Los Angeles Times, 6 Oct. 2026

Fazio and other Republicans have been pointing to another survey by a polling firm called co/efficient that showed Fazio trailing in mid-September by only 7 points at 48% to 41% with 11 percent undecided. — Christopher Keating, Hartford Courant, 4 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