The meaning of MASTERY is the authority of a master : dominion. How to use mastery in a sentence.

1. Possession of consummate skill. 2. The status of master or ruler; control: mastery of the seas. 3. Full command of a subject of study: Her mastery of economic theory impressed the professors.

MASTERY definition: 1. complete control of something: 2. If someone has a mastery of something, they are extremely…. Learn more.

MASTERY definition: command or grasp, as of a subject. See examples of mastery used in a sentence.

Definition of mastery noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

mastery, n. meanings, etymology, pronunciation and more in the Oxford English Dictionary

If you show mastery of a particular skill or language, you show that you have learned or understood it completely and have no difficulty using it.