[+ obj] 1 : to put (something) somewhere in a quick and careless way
▪ You can dump the coats on the bed. ▪ I dumped the coffee down the drain. ▪ The murderer dumped the body in the river. — sometimes used figuratively ▪ The blizzard dumped three feet of snow in one night. 2 : to leave or get rid of (something or someone) quickly or without concern
▪ They dumped [=left] their friends at the party and went home. ▪ The team's coach was dumped [=fired] after a season of losses. ▪ They had to dump [=quickly sell] most of their stock to pay off their debts. 3 informal : to end a romantic relationship with (someone)
▪ My girlfriend dumped me. ▪ I got dumped yesterday. 4 : to get rid of (waste or garbage) especially in a secret and illegal way
▪ The factory has been dumping waste into the river. 5 : to sell (goods) in foreign countries for less than what they would sell for in your own country
▪ The company dumped its unsold parts on the U.S. market. 6 computers : to copy or move (data) from a computer's memory to a disk, another computer, etc.
▪ Dump the file to a disk.