[{"Bold_text": "noun", "List Items": ["a person engaged, employed, or skilled in some branch of work, especially productive or industrial work; worker.Synonyms: workman", "a detective.Synonyms: investigator , agent", "a secret agent; spy."]}, {"Bold_text": "adjective", "List Items": ["operating , operating ,or exerting force, power, or influence.", "having force; being in effect or operation :laws operative in this city.", "effective or efficacious.Synonyms: serviceable , effectual", "engaged in, concerned with, or pertaining to work or productive activity.", "significant; key:The operative word in that sentence is “sometimes.”", "Medicine/Medical.concerned with, involving, or pertaining to surgical operations ."]}]