(v.) To discard; To disencumber; as, to jettison goods in order to lighten a vessel in danger of wreck\.

abandon abandonment abdicate absentation back out beg off boot out booting out bounce cashier cast cast aside cast away cast off cast out castaway casting away castoff cessation chuck chuck out cry off deep six deep-six defenestrate defenestration depart from desuetude detrude detrusion discard discarding discharge disposal dispose of disposition disuse ditch drop out dump dumping eighty-six eject ejection ejectment eliminate elimination evacuate evacuation exclude expel expulsion extrude extrusion forsake forsaking get quit of get rid of get shut of give away give the hook go back on heave out jettisoning jilt junk junking kick downstairs kick out kicking downstairs leave leave behind leave flat leaving maroon obtrude obtrusion oust ouster ousting part with pull out pulling out put out quit quit cold refuse reject rejectamenta rejection relegation removal remove renege riddance say goodbye to scrap scrapping shed slough stand down take leave of the boot the bounce throw away throw out throw over throw overboard throwaway throwing out throwing overboard thrust out toss out toss overboard turn out vacate withdraw withdrawal