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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.

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

A new poll from UCLA’s Luskin School of Public Affairs released Friday found that Latinos are largely undecided on who they plan on voting for in the upcoming L.A. mayoral primary.

From Los Angeles Times • Apr. 6, 2026

However, 5.1 million people told the tourist board that they were undecided, with the top reasons being the weather and finances.

From BBC • Mar. 30, 2026

But the question of how to apply the law to generative AI systems remains undecided.

From Barron's • Mar. 20, 2026

Actually, at this time, on this subject, Dewey was undecided.

From "In Cold Blood" by Truman Capote