unappetisingness

NOUN
16 LETTERS · STARTS WITH U

unappetisingness is a valid 16-letter word worth 21 points in Scrabble and 28 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
U1N1A1P3P3E1T1I1S1I1N1G2N1E1S1S1
1 + 1 + 1 + 3 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 2 + 1 + 1 + 1 + 1 =21 PTS
DOUBLE WORD → 42TRIPLE WORD → 63
MEANING

What does unappetisingness mean?