unreversibleness

16 LETTERS · 6 SYLLABLES · STARTS WITH U

unreversibleness is a valid 16-letter word worth 21 points in Scrabble and 27 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

U1N1R1E1V4E1R1S1I1B3L1E1N1E1S1S1

1 + 1 + 1 + 1 + 4 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 =21 PTS

DOUBLE WORD → 42TRIPLE WORD → 63

MEANING

What does unreversibleness mean?