master
noun
an artist of consummate skill
“a master of the violin”
“one of the old masters”
Synonymsmaestroa person who has general authority over others
a combatant who is able to defeat rivals
directs the work of others
presiding officer of a school
an original creation (i.e., an audio recording) from which copies can be made
an officer who is licensed to command a merchant ship
someone who holds a master's degree from academic institution
an authority qualified to teach apprentices
Synonymsprofessionalkey that secures entrance everywhere
verb
be or become completely proficient or skilled in
“She mastered Japanese in less than two years”
Synonymsget the hangget on top of; deal with successfully
“He overcame his shyness”
have dominance or the power to defeat over
“Her pain completely mastered her”
“The methods can master the problems”
Synonymsdominatehave a firm understanding or knowledge of; be on top of
“Do you control these data?”
Synonymscontrol
adjective
most important element
“the chief aim of living”
“the main doors were of solid glass”
Source: WordNet 3.1, Princeton University
