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

While a plurality of Californians remain undecided about whom to vote for in the 2026 race, Swalwell is leading the pack of Democratic contenders with 12% support, according to a recent Emerson College poll. —Lia Russell, Sacbee.com, 15 Dec. 2025

Lawmakers who were for, against and undecided leading up to the vote received death threats, including bomb threats, swatting, and other intimidation incidents. —Katie Wiseman, IndyStar, 12 Dec. 2025

Republican Senator Greg Goode, previously undecided, signaled his displeasure with the redistricting plan. —Dan Gooding, MSNBC Newsweek, 11 Dec. 2025

Thirty-one percent of voters in Emerson’s poll were undecided. —Devan Patel, Mercury News, 6 Dec. 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