open question

noun

1. a matter which is undecided

2. a question that cannot be answered with a yes or no but requires a developed answer

Idioms and Phrases

An unresolved issue, one that has not been finally determined. For example, Whether the town should pave all the unpaved roads remains an open question. In the mid-1800s this term acquired a specific meaning in the British Parliament, that is, “an issue on which members may vote independently, without respect to their party affiliation.”

Example Sentences

The open question is whether Johnson will switch from her new GOP-friendly district to the 33rd, and run there against incumbent Democratic Rep. Marc Veasey.

From Salon

Before Wednesday, there was still an open question over how the Dodgers might use Ohtani’s arm in the postseason.

From Los Angeles Times

The accusations are so meager that whether the firing will stand is an open question.

From Los Angeles Times

Whether younger candidates’ message will resonate with primary election voters remains an open question.

From Salon

How much time Stafford would need to be ready for the opener is an open question.

From Los Angeles Times