mightn't

8 LETTERS · STARTS WITH M

mightn't is a valid 8-letter word worth 13 points in Scrabble and 15 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

M3I1G2H4T1N1'0T1

3 + 1 + 2 + 4 + 1 + 1 + 0 + 1 =13 PTS

DOUBLE WORD → 26TRIPLE WORD → 39

MEANING

What does mightn't mean?