[{"Bold_text": "adjective", "List Items": ["calm, peaceful, or tranquil; unruffled :a serene landscape;serene old age.Synonyms: unperturbed , undisturbed , collected , composed , imperturbable Antonyms: disturbed", "clear ; fair :serene weather.Synonyms: unclouded Antonyms: clouded", "Usually Serene.most high or august (used as a royal epithet, usually preceded byhis, your,etc.):His Serene Highness."]}, {"Bold_text": "noun", "List Items": ["serenity ; tranquility :the serene of early morning at the lake.", "Archaic.a clear or tranquil expanse of sea or sky."]}]