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.

So, are we on a trajectory to hundreds of cases, or are we only on the trajectory to tens of thousands of cases, is sort of the open question.

From Slate • Jun. 11, 2026

"Whether this becomes an agreement is still an open question."

From Barron's • May 24, 2026

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

It’s an open question if anyone is listening.

From Salon • May 11, 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