not likely

10 LETTERS · STARTS WITH N

not likely is a valid 10-letter word worth 16 points in Scrabble and 18 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
N1O1T1L1I1K5E1L1Y4
1 + 1 + 1 + 0 + 1 + 1 + 5 + 1 + 1 + 4 =16 PTS
DOUBLE WORD → 32TRIPLE WORD → 48
MEANING

What does not likely mean?

1