[n] influencing strongly; "they resented the impingement of American values on European culture"
[n] the violent interaction of individuals or groups entering into combat; "the armies met in the shock of battle"
[n] the striking of one body against another
[n] a forceful consequence; "the book had an important impact on my thinking"
[v] have an effect upon; "Will the new rules affect me?"
[v] press or wedge together; pack together