Nouns

(n)haste, hurry, rush, rushingthe act of moving hurriedly and in a careless manner“in his haste to leave he forgot his book”
(n)rush, spate, surge, upsurgea sudden forceful flow
(n)rushgrasslike plants growing in wet places and having cylindrical often hollow stems
(n)bang, boot, charge, rush, flush, thrill, kickthe 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”
(n)rusha sudden burst of activity“come back after the rush”
(n)rush, rushing(American football) an attempt to advance the ball by running into the line“the linebackers were ready to stop a rush”

Verbs

(v)rush, hotfoot, hasten, hie, speed, race, pelt along, rush along, cannonball along, bucket along, belt along, step on itmove hurridly“He rushed down the hall to receive his guests”, “The cars raced down the street”
(v)rushattack suddenly
(v)rush, hurryurge to an unnatural speed“Don't rush me, please!”
(v)rush, hasten, hurry, look sharp, festinateact at high speed“We have to rush!”, “hurry — it's late!”
(v)rushrun with the ball, in football
(v)race, rushcause to move fast or to rush or race“The psychologist raced the rats through a long maze”
(v)induce, stimulate, rush, hastencause to occur rapidly“the infection precipitated a high fever and allergic reactions”

Adjectives

(s)first-come-first-serve, rushnot accepting reservations
(s)rush, rusheddone under pressure“a rush job”