[{"Bold_text": "adjective", "List Items": ["temporarily deprived of speech by strong emotion, physical weakness, exhaustion, etc.:speechless with alarm.Synonyms: mute Antonyms: talkative , voluble , loquacious", "characterized by absence or loss of speech:speechless joy.Antonyms: talkative , voluble , loquacious", "lacking the faculty of speech; dumb.Synonyms: mute , silent Antonyms: talkative , voluble , loquacious", "not expressed in speech or words:speechless compliments.", "refraining from speech."]}]