nondirigibility

15 LETTERS · 7 SYLLABLES · STARTS WITH N

nondirigibility is a valid 15-letter word worth 22 points in Scrabble and 26 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

N1O1N1D2I1R1I1G2I1B3I1L1I1T1Y4

1 + 1 + 1 + 2 + 1 + 1 + 1 + 2 + 1 + 3 + 1 + 1 + 1 + 1 + 4 =22 PTS

DOUBLE WORD → 44TRIPLE WORD → 66

MEANING

What does nondirigibility mean?