- (transitive) To make (someone or something) neat; to arrange (people or things) in an orderly, tidy way; to tidy.
- She made a frantic attempt to neaten her hair.
- (intransitive) To engage in activity that arranges someone or something in an orderly, tidy way.
- Don't mind me if I neaten while you talk.
to make tidy
- The Oxford English Dictionary