Adjacent Words

Jettison definitions

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Webster's 1828 Dictionary

JET'TISON, n. In law and commerce, properly, the throwing of goods overboard in order to lighten a ship in a tempest for her preservation. The word may however be used for the goods thus thrown away, or adverbially.
Jetsam is where goods are cast into the sea, and there sink and remain under water; flotsam, is where they continue swimming; ligan is where they are sunk in the sea, but tied to a cork or buoy.

WordNet (r) 3.0 (2005)

v
1: throw away, of something encumbering
2: throw as from an airplane

Merriam Webster's

I. noun Etymology: Middle English jetteson, from Anglo-French geteson, literally, action of throwing, from Latin jactation-, jactatio, from jactare — more at jet Date: 15th century a voluntary sacrifice of cargo to lighten a ship's load in time of distress II. transitive verb Date: 1848 1. to make jettison of 2. to get rid of as superfluous or encumbering ; omit or forgo as part of a plan or as the result of some other decision <must be prepared to jettison many romantic notions — Christopher Catling> 3. to drop from an aircraft or spacecraft in flight • jettisonable adjective

Oxford Reference Dictionary

v. & n. --v.tr. 1 a throw (esp. heavy material) overboard to lighten a ship, hot-air balloon, etc. b drop (goods) from an aircraft. 2 abandon; get rid of (something no longer wanted). --n. the act of jettisoning. Etymology: ME f. AF getteson, OF getaison f. L jactatio -onis f. jactare throw: see JET(1)

Webster's 1913 Dictionary

Jettison Jet"ti*son n. [See Jetsam.] 1. (Mar. Law) The throwing overboard of goods from necessity, in order to lighten a vessel in danger of wreck. 2. See Jetsam, 1.

Collin's Cobuild Dictionary

(jettisons, jettisoning, jettisoned) 1. If you jettison something, for example an idea or a plan, you deliberately reject it or decide not to use it. The Government seems to have jettisoned the plan. = abandon VERB: V n 2. To jettison something that is not needed or wanted means to throw it away or get rid of it. The crew jettisoned excess fuel and made an emergency landing. = discard VERB: V n

Moby Thesaurus

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