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noun rock·et \ˈrä-kət, rä-ˈket\

Definition of rocket

  1. :  any of several plants of the mustard family: as a :  arugula b :  dame's rocket

Origin and Etymology of rocket

Middle French roquette, from Old Italian rochetta, diminutive of ruca arugula, from Latin eruca

First Known Use: 1530

Rhymes with rocket

abet, aigrette, all wet, backset, baguette, banquette, barbette, barquette, barrette, beget, beset, blanquette, boneset, brevet, briquette, brochette, brunet, burette, burnet, cadet, cassette, cermet, Colette, coquet, coquette, cornet, corselet, corvette, coset, courgette, croquette, curette, curvet, cuvette, dinette, dip net, diskette, dragnet, duet, egret, fan-jet, fishnet, fly net, forget, gazette, georgette, Gillette, gillnet, gill net, godet, grisette, handset, hard-set, headset, ink-jet, inlet, inset, jet set, Juliet, kismet, layette, life net, lorgnette, lunette, maquette, Marquette, mind-set, mist net, moonset, moquette, motet, musette, nerve net, noisette, nonet, nymphet, octet, offset, onset, outlet, outset, paillette, pallette, palmette, pipette, piquet, planchette, pound net, poussette, preset, quartet, quickset, quintet, raclette, ramet, ramjet, regret, reset, revet, roomette, rosette, roulette, saw set, septet, sestet, sextet, sharp-set, soubrette, spinet, stage set, stylet, sublet, subset, sunset, syrette, tea set, thickset, Tibet, toilette, tonette, trijet, twinset, typeset, Undset, unset, upset, vedette, vignette, well-set



noun, often attributive rock·et \ˈrä-kət\

Definition of rocket

  1. 1 a :  a firework consisting of a case partly filled with a combustible composition fastened to a guiding stick and propelled through the air by the rearward discharge of the gases liberated by combustion b :  a similar device used as an incendiary weapon or as a propelling unit (as for a lifesaving line)

  2. 2 :  a jet engine that operates on the same principle as the firework rocket, consists essentially of a combustion chamber and an exhaust nozzle, carries either liquid or solid propellants which provide the fuel and oxygen needed for combustion and thus make the engine independent of the oxygen of the air, and is used especially for the propulsion of a missile (as a bomb or shell) or a vehicle (as an airplane)

  3. 3 :  a rocket-propelled bomb, missile, projectile, or vehicle

Origin and Etymology of rocket

Italian rocchetta, literally, small distaff, from diminutive of rocca distaff, of Germanic origin; akin to Old High German rocko distaff

First Known Use: 1611



verb rock·et \ˈrä-kət\

Simple Definition of rocket

  • : to increase quickly and suddenly

  • : to move or rise quickly

Source: Merriam-Webster's Learner's Dictionary

Full Definition of rocket

  1. transitive verb
  2. :  to convey or propel by means of or as if by a rocket

  3. intransitive verb
  4. 1 :  to rise up swiftly, spectacularly, and with force <rocketed to the top of the list>

  5. 2 :  to travel rapidly in or as if in a rocket

Examples of rocket in a sentence

  1. Sales rocketed from 1,000 units last week to 5,000 units this week.

  2. The train rocketed through the tunnel.

  3. The spacecraft rocketed into outer space.

  4. Her novel rocketed to the top of the best-seller list.

  5. Their album rocketed up the charts.

  6. His role in the movie rocketed him to fame.


First Known Use of rocket


ROCKET Defined for Kids



noun rock·et \ˈrä-kət\

Definition of rocket for Students

  1. 1 :  a firework that is driven through the air by the gases produced by a burning substance

  2. 2 :  a jet engine that is driven by gases produced by a burning substance

  3. 3 :  a bomb, missile, or vehicle that is driven by gases produced by a burning substance



verb rock·et

Definition of rocket for Students



  1. 1 :  to rise swiftly <Prices have rocketed.>

  2. 2 :  to travel rapidly in or as if in a rocket <… Dixon came rocketing out of the bathroom. — Carl Hiaasen, Hoot>

Seen and Heard

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less dense or relating to a select group

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