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

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.

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.

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

Dec 14, 2025 · Noun mastery (usually uncountable, plural masteries) The position or authority of a master; dominion; command; supremacy; superiority.

MASTERY meaning: 1 : knowledge and skill that allows you to do, use, or understand something very well command usually + of; 2 : complete control of something