prove false

11 LETTERS · STARTS WITH P

prove false is a valid 11-letter word worth 18 points in Scrabble and 21 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

P3R1O1V4E1F4A1L1S1E1

3 + 1 + 1 + 4 + 1 + 0 + 4 + 1 + 1 + 1 + 1 =18 PTS

DOUBLE WORD → 36TRIPLE WORD → 54

MEANING

What does prove false mean?