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.

Yet that still leaves an open question that should make those customers nervous: How much will they be paying for power?

From Los Angeles Times • May 19, 2026

"If it does proceed, whether Iran will allow safe passage or instead chooses to fire on escorted vessels is another open question."

From Barron's • May 5, 2026

For now, the true reason behind the rise and disappearance of giant insects remains an open question.

From Science Daily • Apr. 25, 2026

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

From Salon • Apr. 23, 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