underivable

11 LETTERS · 5 SYLLABLES · STARTS WITH U

underivable is a valid 11-letter word worth 17 points in Scrabble and 22 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

U1N1D2E1R1I1V4A1B3L1E1

1 + 1 + 2 + 1 + 1 + 1 + 4 + 1 + 3 + 1 + 1 =17 PTS

DOUBLE WORD → 34TRIPLE WORD → 51

MEANING

What does underivable mean?