least of all

12 LETTERS · STARTS WITH L

least of all is a valid 12-letter word worth 13 points in Scrabble and 16 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
L1E1A1S1T1O1F4A1L1L1
1 + 1 + 1 + 1 + 1 + 0 + 1 + 4 + 0 + 1 + 1 + 1 =13 PTS
DOUBLE WORD → 26TRIPLE WORD → 39
MEANING

What does least of all mean?

1