GAP

Thu, 3 Aug '23

Separation

Wed, 5 Jul '23

Deficit in knowledge, e.g.

Mon, 27 Mar '23

Opening, as between teeth

Mon, 12 Sep '22

Thing to mind between the train and platform

Wed, 10 Aug '22

Blank space

Mon, 10 Jan '22

Distinct disparity

Wed, 8 Sep '21

"Mind the ___" (London tube sign)

Thu, 3 Jun '21

Word with gender or age