Noun
1. the act of moving hurriedly and in a careless manner;
"in his haste to leave he forgot his book"2. a sudden forceful flow
3. grasslike plants growing in wet places and having cylindrical often hollow stems
4. the swift release of a store of affective force;
"they got a great bang out of it""what a boot!""he got a quick rush from injecting heroin""he does it for kicks"5. a sudden burst of activity;
"come back after the rush"6. (American football) an attempt to advance the ball by running into the line;
"the linebackers were ready to stop a rush"