nondefeasibility

16 LETTERS · 7 SYLLABLES · STARTS WITH N

nondefeasibility is a valid 16-letter word worth 25 points in Scrabble and 28 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

N1O1N1D2E1F4E1A1S1I1B3I1L1I1T1Y4

1 + 1 + 1 + 2 + 1 + 4 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 4 =25 PTS

DOUBLE WORD → 50TRIPLE WORD → 75

MEANING

What does nondefeasibility mean?