dumping
US /ˈdʌm.pɪŋ/
UK /ˈdʌm.pɪŋ/

1.
the act of getting rid of something unwanted, especially by dropping or leaving it in a careless way
:
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Illegal dumping of waste is a serious environmental problem.
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The company was fined for the dumping of toxic chemicals into the river.
2.
the act of selling goods in a foreign market at a price below their domestic cost or below the price in the exporting country
:
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The country accused its neighbor of currency dumping.
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Anti-dumping duties were imposed on imported steel.
3.
the act of ending a romantic relationship with someone
:
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She was upset after the sudden dumping by her boyfriend.
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The public dumping of his ex-girlfriend was widely criticized.