Squinting
Part of speech: verb
Definition: To look with the eyes partly closed, as in bright sunlight, or as a threatening expression.
Closed
Part of speech: verb
Definition: (physical) To remove a gap.
Part of speech: adjective
Definition: Sealed, made inaccessible or impassable; not openNot operating or conducting tradeNon public (as in closed source)Having an open complement.Such that its image under the specified operation is contained in it.Lacking a free variable.
Example sentence: You never know what goes on behind closed doors.