[{"Bold_text": "adjective", "List Items": ["sudden or unexpected:an abrupt departure.Synonyms: sharp , quick Antonyms: gradual", "curt or brusque in speech, manner, etc.:an abrupt reply.Synonyms: blunt , hasty , hurried , short Antonyms: courteous , patient , deliberate", "terminating or changing suddenly:an abrupt turn in a road.Synonyms: sharp , quick Antonyms: gradual", "having many sudden changes from one subject to another; lacking in continuity or smoothness:an abrupt writing style.Synonyms: uneven , broken , discontinuous", "steep; precipitous:an abrupt descent.", "Botany. truncate(def4) truncate(def4)."]}]