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

An Emerson College/The Hill survey released on the final day of in-person early voting shows Republican Matt Van Epps leading Democrat Aftyn Behn 48 percent to 46 percent among likely voters, with five percent undecided and two percent backing third-party candidates. —Daniel Orton, MSNBC Newsweek, 26 Nov. 2025

Nearly 40% of voters were still undecided, however. —Chantelle Lee, Time, 21 Nov. 2025

Four states were undecided, tying among several Thanksgiving sides, according to Campbell's. —Jenna Prestininzi, Freep.com, 6 Nov. 2025

Behn took 44%, and 4% of poll respondents were undecided. —Vivian Jones, Nashville Tennessean, 4 Nov. 2025

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