past master

NOUN
11 LETTERS · 2 SYLLABLES · STARTS WITH P

past master is a valid 11-letter word worth 14 points in Scrabble and 16 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
P3A1S1T1M3A1S1T1E1R1
3 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 1 + 1 + 1 =14 PTS
DOUBLE WORD → 28TRIPLE WORD → 42
MEANING

What does past master mean?

NOUN · 1 SENSE
1

Someone who has long and thorough experience in a given activity.

BROADER