master key

NOUN /mæstər_ki/
10 LETTERS · 2 SYLLABLES · STARTS WITH M

master key is a valid 10-letter word worth 18 points in Scrabble and 18 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
M3A1S1T1E1R1K5E1Y4
3 + 1 + 1 + 1 + 1 + 1 + 0 + 5 + 1 + 4 =18 PTS
DOUBLE WORD → 36TRIPLE WORD → 54
MEANING

What does master key mean?

NOUN · 1 SENSE
1

Key that secures entrance everywhere.

BROADER
NARROWER