Search Result for "knock against":
Wordnet 3.0

VERB (1)

1. collide violently with an obstacle;
- Example: "I ran into the telephone pole"
[syn: run into, bump into, jar against, butt against, knock against]



WordNet (r) 3.0 (2006):

knock against
    v 1: collide violently with an obstacle; "I ran into the
         telephone pole" [syn: run into, bump into, jar
         against, butt against, knock against]