ungrammaticality

16 LETTERS · STARTS WITH U

ungrammaticality is a valid 16-letter word worth 26 points in Scrabble and 32 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
U1N1G2R1A1M3M3A1T1I1C3A1L1I1T1Y4
1 + 1 + 2 + 1 + 1 + 3 + 3 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 4 =26 PTS
DOUBLE WORD → 52TRIPLE WORD → 78
MEANING

What does ungrammaticality mean?

1

A valid word accepted in tournament Scrabble and Words With Friends play.