If you dump something somewhere, you put it or unload it there quickly and carelessly.

If something is dumped somewhere, it is put or left there because it is no longer wanted or needed.

A dump is a place where rubbish is left, for example on open ground outside a town.

If you say that a place is a dump, you think it is ugly and unpleasant to live in or visit.

A dump is a place where an army stores food and weapons temporarily while it is stationed in a particular place.

To dump something such as an idea, policy, or practice means to stop supporting or using it.

If a firm or company dumps goods, it sells large quantities of them at prices far below their real value, usually in another country, in order to gain a bigger market share or to keep prices high in the home market.

If you dump someone, you end your relationship with them.

If you say that a parent dumps a child with someone, you are criticizing the parent for leaving the child to be looked after by that person.

To dump computer data or memory means to copy it from one storage system onto another, such as from disk to magnetic tape.

A dump is a list of the data that is stored in a computer's memory at a particular time. Dumps are often used by computer programmers to find out what is causing a problem with a program.

If someone dumps on you, they treat you very badly and unfairly.

If you are down in the dumps, you are feeling very depressed and miserable.