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

Nineteen percent were undecided on the question. —J.c. Hallman, Oklahoma Watch, 22 Jan. 2026

The 48% polling response still represents a majority, as the poll found 14% of voters remained undecided and 38% were opposed to the measure. —Andrew Graham, Sacbee.com, 21 Jan. 2026

Cooper garnered 48% compared to 24% for Whatley, with 27% undecided. —Emily Hallas, The Washington Examiner, 21 Jan. 2026

Crockett's campaign released an internal poll Tuesday evening by HIT Strategies showing that Crockett has 46% support to 33% for Talarico and 21% undecided. —Jack Fink, CBS News, 21 Jan. 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