<p><strong>Verb (used with object)</strong></p><ul><li>to drop or let fall in a mass; fling down or drop heavily or suddenly: Dump the topsoil here.</li><li>to empty out, as from a container, by tilting or overturning.</li><li>to unload or empty out (a container), as by tilting or overturning.</li><li>to dismiss, fire, or release from a contract: The first baseman was dumped from the team after hitting .210 for the first half of the season.</li><li>Informal: to end a relationship with (someone, especially a romantic partner), especially when the decision is one-sided: I can’t believe she waited until just after Valentine’s Day to dump me.</li><li>to transfer or rid oneself of suddenly and irresponsibly: Don't dump your troubles on me!</li><li>Boxing Slang: to knock down: The champion was dumped twice but won the fight.</li><li>to lose (a match) intentionally: a bribe to dump a fight.</li><li>Commerce: to put (goods or securities) on the market in large quantities and at a low price without regard to the effect on market conditions.</li><li>to sell (goods) into foreign markets below cost in order to promote exports or damage foreign competition.</li><li>Computers: to print, display, or record on an output medium (the contents of a computer's internal storage or the contents of a file), often at the time a program fails.</li><li>Slang: to kill; murder: There were threats to dump him if he didn't pay up.</li></ul><p><strong>Verb (used without object)</strong></p><ul><li>to fall or drop down suddenly.</li><li>to throw away or discard garbage, refuse, etc.</li><li>Commerce: to offer goods for sale in large quantities at a low price.</li><li>to dump below-cost goods into foreign markets.</li><li>to release contents: a sewage pipe that dumps in the ocean.</li><li>Informal: to complain, criticize, gossip, or tell another person one's problems: He calls me up just to dump.</li><li>Slang: Vulgar: defecate.</li></ul><p><strong>Noun</strong></p><ul><li>an accumulation of discarded garbage, refuse, etc.; also called dumpsite, dumping-ground.</li><li>a place where garbage, refuse, etc., is deposited.</li><li>Military: a collection of ammunition, stores, etc., deposited at some point, as near a battlefront, for distribution; the ammunition, stores, etc., so deposited; the act of dumping.</li><li>Mining: a runway or embankment equipped with tripping devices, from which low-grade ore, rock, etc., are dumped; the pile of ore so dumped.</li><li>Informal: a place, house, or town that is dilapidated, dirty, or disreputable.</li><li>(in merchandising) a bin or specially made carton in which items are displayed for sale: Fifty copies of the best-selling paperback novel were in a dump near the checkout counter.</li><li>Computers: a copy of the contents of a computer's internal storage or of the contents of a file at a given instant, that is printed, displayed, or stored on an output medium.</li><li>Slang: Vulgar: an act of defecating; evacuation: This photo is fantastic, except for the dog you can see taking a dump in the background.</li></ul>