1 person in charge
ADJ. political His political masters are all old right-wing politicians.
PREP. ~ of He wants to be master of his own destiny.
2 person with skill
ADJ. acknowledged, great This portrait is the work of an acknowledged master.
MASTER + NOUN builder, craftsman
PREP. ~ of a master of disguise
PHRASES be a past master at/in/of sth (= to be very good at sth) He's a past master at delaying meetings.
3 Master's: university degree
VERB + MASTER do, study for, take He did a Master's at Hull University. | get She got her Master's last year.
MASTER + NOUN Master's degree
PREP. ~ in a Master's in politics
ADV. completely, entirely, fully, quite | quickly
VERB + MASTER be difficult to a technique that was surprisingly difficult to master | struggle to, try to the challenge of trying to master a new language | fail to
PHRASES master the art of sth He never completely mastered the art of lip-reading.