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Added 9 October 2026

mastery

/ˈmɑː.stə.ɹi/ noun

In Latin: potestas Wiktionary

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about mastery at Wordnik → Where our words come from →

Great skillfulness and knowledge of some subject or activity.
a good command of French
Power to dominate or defeat.
mastery of the seas
The act of mastering or subordinating someone.

Origin

From Middle English maistery, maistrie, mastere, mastry, from Old French maistrie, equivalent to master + -y.

From Wiktionary, via Kaikki.org (CC BY-SA)

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