Synonyms for open question

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Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

EXAMPLES FROM THE WEB FOR OPEN QUESTION

Whether Rastell printed more than one edition is an open question.

It is an open question when this west wall of the choir was removed.

The due sequence of these sub-types is for the present an open question.

On the whole, open shelves may be viewed as an open question.

How far signs of superiority are permissible is to my mind an open question.

Why iron should have been tabooed by the Fairy and her father, must remain an open question.

But this left it an open question whether any one could "interfere."

Whether or not it is mere play is perhaps yet an open question.

This must also be considered an open question for the present.

It is still an open question to many, though there is a time for all things.