Antonym: jenny. Similar words: jacket, lumberjack, jack of all trades, backpack, adjacent, ejaculate, ACK, sack. Meaning: [dʒæk] 
n. 1. a small worthless amount 2. a man who serves as a sailor 3. someone who works with their hands; someone engaged in manual labor 4. immense East Indian fruit resembling breadfruit; it contains an edible pulp and nutritious seeds that are commonly roasted 5. a small ball at which players aim in lawn bowling 6. an electrical device consisting of a connector socket designed for the insertion of a plug 7. game equipment consisting of one of several small six-pointed metal pieces that are picked up while bouncing a ball in the game of jacks 8. small flag indicating a ship's nationality 9. one of four face cards in a deck bearing a picture of a young prince 10. tool for exerting pressure or lifting 11. any of several fast-swimming predacious fishes of tropical to warm temperate seas 12. male donkey. v. 1. lift with a special device 2. hunt with a jacklight.
n. 1. a small worthless amount 2. a man who serves as a sailor 3. someone who works with their hands; someone engaged in manual labor 4. immense East Indian fruit resembling breadfruit; it contains an edible pulp and nutritious seeds that are commonly roasted 5. a small ball at which players aim in lawn bowling 6. an electrical device consisting of a connector socket designed for the insertion of a plug 7. game equipment consisting of one of several small six-pointed metal pieces that are picked up while bouncing a ball in the game of jacks 8. small flag indicating a ship's nationality 9. one of four face cards in a deck bearing a picture of a young prince 10. tool for exerting pressure or lifting 11. any of several fast-swimming predacious fishes of tropical to warm temperate seas 12. male donkey. v. 1. lift with a special device 2. hunt with a jacklight. 
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(181) She was dancing with Jack, when Tom suddenly cut in.
(182) When Jack was born he had a fuzz of black hair on his head.
(183) For the first week he never actually saw the fabled Jack.
(184) A classic example comes from comedian Jack Benny [Sentencedict.com], famous for his parsimony.
(185) Jack never wanted to stay in one place for very long, so they were always on the move.
(186) "I plead the Fifth", Jack said, when his wife wanted to know where he had been.
(187) Don't let what Jack said worry you; that man's opinion of your performance is beneath your notice.
(188) If you have any ideas for what I could buy Jack, let me know.
(189) Jack the car up higher - I can't get the tire off.
(190) After the lecture Jack edged up to the speaker and asked him for his autograph.
(191) You need a car jack in order to change a wheel.
(192) Jack will double for the secretary while she is on holiday.
(193) The book on which he hit on my desk was one of the famous novels written by Jack London.
(194) Don't worry(sentencedict.com), he'll jack the whole thing up for us.
(195) Jack usually bowls a 120 game, but yesterday he bowled 180.
(196) You won't get a penny out of Jack - he's very close with his money.
(197) Jack and Tom were having an argument and I got dragged in.
(198) Jack used a drill to bore a hole in the wall above the fireplace.
(199) Jack was looking for a film role that would showcase all his talents.
(200) Jack sat down heavily on the side of the bed.
(201) First Jack collected coins;then he branched out and collected stamps.
(202) Jack distributes computers for the computer rental service in that region.
(203) Before you could say Jack Robinson, she'd jumped into the car and driven away.
(204) Jack was hurt deeply, and he bided his time for revenge.
(205) Jack was a folk hero in the Greenwich Village bars.
(206) When a drug pusher offered the Los Angeles youngster $100 to peddle drugs, Jack refused.
(207) Once the tourists arrive, the restaurants jack up their prices.
(208) In my capacity as president, I would like to thank Jack for his hard work.
(209) Jack divorced his wife after twenty five years of marriage.
(210) Jack has made a concerted effort to improve his behaviour.