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.

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

"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 depth of the scarring from this conflict, on gas supply, and on control of one of the world's key economic arteries, remains an open question.

From BBC • Apr. 8, 2026

Whether the human race can actually maintain a population of five billion or more without a crash with a hot virus remains an open question.

From "The Hot Zone" by Richard Preston