full command or understanding of a subject outstanding skill; expertise the power of command; control victory or superiority
WordReference Random House Learner's Dictionary of American English © 2025
mas•ter•y /ˈmæstəri/USA pronunciation
n. [uncountable]
WordReference Random House Unabridged Dictionary of American English © 2025- knowledge or skill:His mastery of Italian was complete.
- superiority;
control;
dominance:mastery over their enemies. - expert skill or knowledge.
mas•ter•y
(mas′tə rē, mä′stə-),USA pronunciation n., pl. -ter•ies for 1-4.
- command or grasp, as of a subject:a mastery of Italian.
- superiority or victory:mastery over one's enemies.
- the act of mastering.
- expert skill or knowledge.
- the state of being master;
power of command or control.
- Old French
- 1175–1225; master + -y3; replacing Middle English maistrie
Collins Concise English Dictionary © HarperCollins Publishers::
'mastery' also found in these entries (note: many are not synonyms or translations):
Delsarte method
- Faustian
- Lassus
- acquisition
- ascendancy
- assonance
- authority
- clutch
- command
- conclusion
- conquest
- control
- custody
- degree
- dungeon
- empery
- familiarity
- grammar
- grasp
- gree
- grip
- learning curve
- master
- masterful
- mastership
- maîtrise
- overmaster
- overpower
- pancratium
- possess
- practice
- prevail
- rule
- self-mastery
- self-taught
- talk
- thorough
- triumph
- unapproachable
- unquestioned
- wrestle