[{"Bold_text": "adjective", "List Items": ["lacking intelligence or good judgment; stupid ; dull-witted .", "lacking the power of speech (offensive when applied to humans):a dumb animal.", "temporarily unable to speak:dumb with astonishment.", "refraining from any or much speech; silent .", "made, done, etc., without speech.", "lacking some usual property, characteristic, etc.", "performed in pantomime; mimed.", "Computers.pertaining to the inability to do processing locally:Compare intelligent(def4) intelligent(def4).A dumb terminal can input, output, and display data, but cannot process it.", "Nautical.(of a barge) without means of propulsion.(of any craft) without means of propulsion, steering, or signaling.", "(of a barge) without means of propulsion.", "(of any craft) without means of propulsion, steering, or signaling."]}, {"Bold_text": "verb phrase", "List Items": ["Informal.to make or become less intellectual, simpler, or less sophisticated:to dumb down a textbook; American movies have dumbed down."]}]