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

The survey found Democrats have a six-point edge on the congressional midterm ballot, with 20% undecided. — Sara Dorn, Forbes.com, 23 July 2026

Schmidt registered at 5% in the poll, and 36% of respondents reported being undecided. — Matthew Kelly july 23, Kansas City Star, 23 July 2026

The resolution passed 216-214, exactly a week after the framework was unveiled, but not without a fight, after several Republican members headed into the vote undecided. — Hailey Bullis, The Washington Examiner, 22 July 2026

Kimberly Yee, running for public schools chief against Republican incumbent Tom Horne, had support from Turning Point figures and was leading in a race that remained undecided late July 21. — Arizona Republic, AZCentral.com, 21 July 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