not one

7 LETTERS · STARTS WITH N

not one is a valid 7-letter word worth 6 points in Scrabble and 8 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
N1O1T1O1N1E1
1 + 1 + 1 + 0 + 1 + 1 + 1 =6 PTS
DOUBLE WORD → 12TRIPLE WORD → 18
MEANING

What does not one mean?

1