<p><strong>Verb (used without object):</strong></p><ul><li>To drop or fall heavily; collapse: Suddenly she slumped to the floor.</li><li>To assume a slouching, bowed, or bent position or posture: Stand up straight and don't slump!</li><li>To decrease or fall suddenly and markedly, as prices or the market.</li><li>To decline or deteriorate, as health, business, quality, or efficiency.</li><li>To sink into a bog, muddy place, etc., or through ice or snow.</li><li>To sink heavily, as the spirits.</li></ul><p><strong>Noun:</strong></p><ul><li>An act or instance of slumping.</li><li>A decrease, decline, or deterioration.</li><li>Synonyms: setback, reverse, lapse.</li><li>A period of decline or deterioration.</li><li>Any mild recession in the economy as a whole or in a particular industry.</li><li>A period during which a person performs slowly, inefficiently, or ineffectively, especially a period during which an athlete or team fails to play or score as well as usual.</li><li>A slouching, bowed, or bent position or posture, especially of the shoulders.</li><li>A landslide or rockslide.</li><li>The vertical subsidence of freshly mixed concrete that is a measure of consistency and stiffness.</li><li>New England Cooking: a dessert made with cooked fruit, especially apples or berries, topped with a thick layer of biscuit dough or crumbs.</li></ul><p><strong>End of Response</strong></p>