knock against

VERB
13 LETTERS · STARTS WITH K

knock against is a valid 13-letter word worth 23 points in Scrabble and 27 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
K5N1O1C3K5A1G2A1I1N1S1T1
5 + 1 + 1 + 3 + 5 + 0 + 1 + 2 + 1 + 1 + 1 + 1 + 1 =23 PTS
DOUBLE WORD → 46TRIPLE WORD → 69
MEANING

What does knock against mean?

VERB · 1 SENSE