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Definitions

undecided

[uhn-di-sahy-did] / ˌʌn dɪˈsaɪ dɪd /
ADJECTIVE
not sure, not definite
Synonyms
STRONGEST
ambivalent doubtful hesitant uncertain unclear uncommitted undetermined unsure vague wavering
WEAK
betwixt and between blowing hot and cold borderline debatable dithering dubious equivocal hemming and hawing iffy in the middle indecisive indefinite irresolute moot of two minds on the fence open pendent pending running hot and cold tentative torn unfinished unsettled up in the air waffling wishy-washy
Antonyms
STRONGEST
certain clear definite determined resolved secure settled sure
WEAK
decided undoubted

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The survey also asked voters about the upcoming mayoral election, finding that the race remains “highly unsettled,” with 40% of surveyed voters still undecided.

From Los Angeles Times • Apr. 16, 2026

Hours before polls open, many voters are still undecided and unconvinced.

From Barron's • Apr. 12, 2026

As a result, the fate of 2.7 million voters remains undecided.

From BBC • Apr. 12, 2026

Just two months out from election day, 44% of Latinos said they were undecided about who should lead the city with the largest percentage of Latinos in the United States.

From Los Angeles Times • Apr. 6, 2026

Then the great wings of the aerial assassin began to row the air, but reluctant and undecided.

From "The Once and Future King" by T. H. White