Demure clothes do not reveal your body and they give the impression that you are shy and behave correctly. a demure high-necked white blouse. + demurely de·mure·ly She was demurely dressed in a black woollen suit
approval If you describe someone, usually a young woman, as demure, you mean they are quiet and rather shy, usually in a way that you like and find appealing, and behave very correctly. She's very demure and sweet + demurely de·mure·ly She smiled demurely