Dictionary

past master

noun

: a person who has done something many times before and has become very skilled at doing it

Full Definition of PAST MASTER

1
:  one who has held the office of worshipful master in a lodge of Freemasons or of master in a guild, club, or society
2
[alteration of passed master] :  one who is expert :  adept

Examples of PAST MASTER

  1. He's a past master at finding ways to get out of trouble.
  2. They are past masters of the art of propaganda.

First Known Use of PAST MASTER

1762

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