undeterminableness

18 LETTERS · 7 SYLLABLES · STARTS WITH U

undeterminableness is a valid 18-letter word worth 23 points in Scrabble and 30 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

U1N1D2E1T1E1R1M3I1N1A1B3L1E1N1E1S1S1

1 + 1 + 2 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 =23 PTS

DOUBLE WORD → 46TRIPLE WORD → 69

MEANING

What does undeterminableness mean?