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

• 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

However, the identity of Gasly’s 2026 teammate remains undecided, as the team evaluates potential candidates for a competitive driver lineup. —Madeline Coleman, New York Times, 29 Sep. 2025

The Emerson College Polling/PIX11/The Hill survey found both Sherrill and Ciattarelli receiving 43 percent support, with a separate 11 percent undecided — underscoring how the race has tightened in the final stretch before the November election. —Caroline Vakil, The Hill, 25 Sep. 2025

The headlines have been trickling out, but one of the biggest takeaways is that the former VP still seems undecided as to what's next for her. —Emma Hinchliffe, Fortune, 24 Sep. 2025

Recent polls have shown Porter leading the candidates, but with most voters undecided, the race is considered wide open. —Nicole Nixon, Sacbee.com, 23 Sep. 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