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

Los Angeles is still undecided about who will take the ball for them. — Outkick, FOXNews.com, 14 Oct. 2026

But as has been noted, a huge percentage of likely voters remain undecided. — Lorraine Ali, Los Angeles Times, 14 Oct. 2026

Among voters who supported Pratt in the June primary, 63% remained undecided about the runoff. — Barnini Chakraborty, The Washington Examiner, 14 Oct. 2026

With a rise in anti-trans rhetoric from the White House, some Democrats are using similar messaging in an attempt to secure undecided voters. — Dorian Rhea Debussy, The Conversation, 12 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