ruling out

10 LETTERS · STARTS WITH R

ruling out is a valid 10-letter word worth 10 points in Scrabble and 15 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
R1U1L1I1N1G2O1U1T1
1 + 1 + 1 + 1 + 1 + 2 + 0 + 1 + 1 + 1 =10 PTS
DOUBLE WORD → 20TRIPLE WORD → 30
MEANING

What does ruling out mean?

1