Definition of “master” - English Dictionary

“master” in British English

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masternoun [ C ]

uk /ˈmɑː.stər/ us /ˈmæs.tɚ/

master noun [ C ] (CONTROLLER)

B2 the person who owns, cares for, and controls an animal:

With careful training, a dog will obey its master completely.

a person who employs a servant or owns a slave:

Servants had to obey their masters.

a person who has control over a particular situation:

She was the victim of her circumstances rather than the master of her fate.

the captain of a ship that carries goods :

Ship's masters are in charge of a ship, its crew and any cargo it is carrying, at sea and in port.

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master noun [ C ] (SKILLED PERSON)

C2 a person who is very skilled in a particular job or activity:

He was a master of disguise.

a famous and very skilled painter:

This painting is clearly the work of a master.

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master noun [ C ] (TITLE)

Master

old-fashioned used before the name of a boy who is too young to be called "Mr":

the letter was addressed to Master John Owen.

masterverb [ T ]

uk /ˈmɑː.stər/ us /ˈmæs.tɚ/

masteradjective [ before noun ]

uk /ˈmɑː.stər/ us /ˈmæs.tɚ/

(Definition of “master” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“master” in American English

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masternoun [ C ]

us /ˈmæs·tər/

master noun [ C ] (CONTROL)

female mistress a person who controls something or someone:

I always wanted to start my own business, because I like being my own master.

master noun [ C ] (SKILLED PERSON)

a person who is very skilled in a particular job or activity:

Everyone knew he was a master of compromise.
This painting is clearly the work of a master.
He is a master chef/craftsman.

master noun [ C ] (ORIGINAL)

an original of something, such as a document, recording, or film, from which copies can be made

masterverb [ T ]

us /ˈmæs·tər/

master verb [ T ] (BECOME SKILLED PERSON)

to become skilled at something:

She quickly mastered the art of interviewing people.

(Definition of “master” from the Cambridge Academic Content Dictionary © Cambridge University Press)

“master” in Business English

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masternoun [ C ]

uk /ˈmɑːstər/ us /ˈmæstər/

WORKPLACE, IT an original of something such as a document, from which copies can be made:

I kept the master and sent my accountant a copy.

a person who is very skilled in a particular job or activity:

a master of sth She is a master of the art of persuasion.

masteradjective [ before noun ]

uk /ˈmɑːstər/ us /ˈmæstər/

WORKPLACE, IT used to describe the original of something such as a document, from which copies can be made:

a master copy/file/list
This master disc can be used on any PC.

extremely skilled:

a master craftsman/builder/chef

masterverb [ T ]

uk /ˈmɑːstər/ us /ˈmæstər/

to learn how to do something well:

It only takes a few hours of practice to master the technique.
They have mastered the art of learning from other people's mistakes.

(Definition of “master” from the Cambridge Business English Dictionary © Cambridge University Press)