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

Trump’s sagging approval rating comes as Democrats have a chance at outperforming Republicans in midterms, with Emerson’s May poll showing Democrats with a 9-point advantage on the generic congressional ballot, though 9% of voters were undecided. — Sara Dorn, Forbes.com, 19 June 2026

Ossoff was beating Collins 48% to 43%, with undecided voters accounting for 9%, the Emerson poll found. — Sarah D. Wire, USA Today, 16 June 2026

The undecided group, which also included voters who do not support Becerra or Hilton, is largely made up of moderates who are not members of the two major parties or who have no party affiliation. — Haley Parsley june 12, Sacbee.com, 12 June 2026

While most of the primary elections ended with voters choosing a candidate, two in metro Atlanta remain undecided. — Dan Raby, CBS News, 12 June 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