[{"Bold_text": "noun", "List Items": ["a person with the ability or power to use, control, or dispose of something:a master of six languages;to be master of one's fate.Synonyms: expert , adept", "an owner of enslaved people, in the institution of chattel slavery chattel slavery;a slaveholder :Antebellum laws and codes in the South restricted the circumstances under which masters could free African Americans from slavery.", "an owner of a pet or other animal:The dog waited at the end of the lane every evening to greet his master coming home.", "Older Use.the male head of a household:As the oldest son, he felt a lot of pressure to act as the master of the house after his father’s passing.", "Older Use.an employer of workers or servants:The valet unpacked his master’s luggage prior to his arrival.", "Sometimes Master.the dominant sexual partner in a BDSM relationship of unequal power.", "a person eminently skilled in something, as an occupation, art, or science:the great masters of the Impressionist period.", "a person whose teachings others accept or follow:a Zen master.", "Chiefly British.a male teacher or schoolmaster.", "a worker qualified to teach apprentices and to carry on a trade independently.", "a title given to a bridge or chess player who has won or placed in a certain number of recognized tournaments.", "a person holding this title.", "Also calledmas·ter mar·i·ner[mas, -ter , mar, -, uh, -ner, mah, -ster].a person who commands a merchant ship; captain .", "a victor or conqueror.", "a presiding officer.", "an officer of the court to whom some or all of the issues in a case may be referred for the purpose of taking testimony and making a report to the court.", "the Master.Christianity. Jesus Christ Jesus Christ.", "a person who has been awarded a master's degree.", "a boy or young man (used chiefly as a term of address).", "Also called matrix .an original document, drawing, manuscript, etc., from which copies are made.", "Machinery, Computers.a device or process that controls another device or process operating in a similar way.Compare slave(def5) slave(def5).", "Recording. matrix(def14) matrix(def14).an audio disk or tape from which duplicates may be made.", "matrix(def14) matrix(def14).", "an audio disk or tape from which duplicates may be made.", "Computersan original data file or disk from which duplicates may be made.", "Also calledcop·y neg·a·tive[kop, -ee , neg, -, uh, -tiv].Photography.a film, usually a negative, used primarily for making large quantities of prints.", "master of foxhounds(def) master of foxhounds(def).", "Archaic.a work of art produced by a master."]}, {"Bold_text": "adjective", "List Items": ["being master; exercising mastery ; dominant .", "chief or principal:a master list.", "directing or controlling:a master switch.Synonyms: cardinal , prime , primary , leading , main", "of or relating to a master from which duplicates are made:a master recording;the master copy of a piece of software.The master film had been misfiled in the archives.", "dominating or predominant:a master play.", "being a master of some occupation, art, etc.; eminently skilled:a master diplomat;a master pianist.", "being a master carrying on 's trade independently, rather than a worker employed by another:a master plumber.", "characteristic of a master; showing expert skill, ability, or knowledge:The chosen design was a master achievement that still amazes architects, engineers, and scientists today.Synonyms: skillful , expert , adept"]}, {"Bold_text": "verb (used with object)", "List Items": ["to make oneself master of; become an adept in:to master a language.", "to conquer or overcome:to master one's pride.Synonyms: control , subdue", "to rule or direct as master:to master a crew.Synonyms: manage , govern", "Recording.to produce a master audio file, disk, phonograph record, or tape of:The producer recorded, mixed, and mastered the new album."]}]