AskDefine | Define jack

Dictionary Definition



1 a small worthless amount; "you don't know jack" [syn: diddly-squat, diddlysquat, diddly-shit, diddlyshit, diddly, diddley, squat, shit]
2 a man who serves as a sailor [syn: mariner, seaman, tar, Jack-tar, old salt, seafarer, gob, sea dog]
3 someone who works with their hands; someone engaged in manual labor [syn: laborer, manual laborer, labourer]
4 immense East Indian fruit resembling breadfruit of; its seeds are commonly roasted [syn: jackfruit, jak]
5 an electrical device consisting of a connector socket designed for the insertion of a plug
6 game equipment consisting of one of several small objects picked up while bouncing a ball in the game of jacks
7 small flag indicating a ship's nationality
8 one of four face cards in a deck bearing a picture of a young prince [syn: knave]
9 tool for exerting pressure or lifting
10 any of several fast-swimming predacious fishes of tropical to warm-temperate seas
11 male donkey [syn: jackass]


1 lift with a special device; "jack up the car so you can change the tire" [syn: jack up]
2 hunt with a jacklight [syn: jacklight]

User Contributed Dictionary

see Jack



  • , /dʒæk/, /dZ

Extensive Definition

Jack may refer to:

in entertainment and fiction

names and aliases

  • Jack the Ripper (19th century), alias given to an unidentified serial killer of Victorian England
  • Spring Heeled Jack (19th century), a legendary figure of Victorian England
  • Jack the Stripper (mid-20th century), nickname given to an unknown serial killer of London, England who stripped victims
  • Jack (mascot), the Jack-in-the-box mascot of American restaurant chain Jack In The Box

other uses

Jack may also be used for:
jack in German: Jack (Begriffsklärung)
jack in Spanish: Jack (desambiguación)
jack in French: Jack
jack in Italian: Jack
jack in Korean: 잭
jack in Dutch: Jack
jack in Japanese: ジャック
jack in Norwegian: Jack
jack in Polish: Jack
jack in Portuguese: Jack
jack in Simple English: Jack
jack in Thai: แจ๊ก
jack in Ukrainian: Джек
jack in Chinese: 杰克

Synonyms, Antonyms and Related Words

AB, Ancient Mariner, Argonaut, Dannebrog, Dylan, Flying Dutchman, Jolly Roger, Neptune, OD, Old Glory, Poseidon, Rocky Mountain canary, Star-Spangled Banner, Stars and Stripes, Union Flag, Union Jack, Varuna, able seaman, able-bodied seaman, ace, and blue, ass, baluster, balustrade, banderole, banister, banner, banneret, base, best bower, black flag, blue ensign, bluejacket, blunt, boodle, bower, brass, bread, buccaneer, bucks, bunting, burgee, burro, cabbage, cards, caryatid, cash, chips, clubs, coachwhip, coin, colonnade, color, colors, column, crab, crane, cuddy, dado, deck, deep-sea man, derrick, deuce, diamonds, dickey, die, dinero, donkey, dough, dummy, ensign, erector, face cards, fair-weather sailor, fisherman, flag, flush, footstalk, forklift, full house, gantry crane, gelt, gilt, gonfalon, gonfanon, grease, green, green stuff, greenbacks, guidon, hand, hearts, hearty, hoist, house flag, hydraulic tailgate, jack afloat, jack-tar, jackass, jackscrew, jacky, jennet, jenny, jenny ass, joker, kale, king, knave, left bower, lever, lift, lifter, limey, lobsterman, long pennant, mariner, matelot, mazuma, merchant flag, money, moolah, mopus, national flag, navigator, neddy, newel-post, oil of palms, ointment, oof, ooftish, oriflamme, pack, pair, pedestal, pedicel, peduncle, pendant, pennant, pennon, pennoncel, picture cards, pier, pilaster, pile, piling, pillar, pirate, playing cards, plinth, pole, post, privateer, queen, queen-post, red, red ensign, rhino, rocks, round, royal flush, royal standard, rubber, ruff, sailor, salt, scratch, sea dog, sea rover, seafarer, seafaring man, seaman, shaft, shekels, shipman, signal flag, simoleons, singleton, socle, spades, spondulics, staff, stalk, stanchion, stand, standard, stem, straight, streamer, subbase, sugar, surbase, swallowtail, tackle, tar, tarpaulin, the needful, tin, trey, trick, tricolor, trump, trunk, upright, vexillum, viking, wampum, water dog, whaler, white, windjammer, windlass, windsailor
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