need must

9 LETTERS · STARTS WITH N

need must is a valid 9-letter word worth 11 points in Scrabble and 14 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
N1E1E1D2M3U1S1T1
1 + 1 + 1 + 2 + 0 + 3 + 1 + 1 + 1 =11 PTS
DOUBLE WORD → 22TRIPLE WORD → 33
MEANING

What does need must mean?

1