Definitions

open question

NOUN

undecided issue

Synonyms

WEAK

anybody's guess loose end question rhetorical question toss of a coin

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 extent of the Milky Way's star-forming disc has long been an open question in Galactic archaeology. By mapping how stellar ages change across the disc, we now have a clear, quantitative answer."

From Science Daily • Apr. 29, 2026

The open question now is how much progress the countries can make in Pakistan.

From BBC • Apr. 24, 2026

Whether it will be enough to spare her is an open question.

From Salon • Apr. 23, 2026

Whether that translates into a use case for consumers, SoFi’s main customer base, is an open question.

From Barron's • Apr. 3, 2026

Yet geography obviously has some effect on history; the open question concerns how much effect, and whether geography can account for history’s broad pattern.

From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond