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Definition of jack
1a jacks plural in form but singular in construction : a game played with a set of small objects that are tossed, caught, and moved in various figuresb : a small 6-pointed metal object used in the game of jacks
2a : a playing card carrying the figure of a soldier or servant and ranking usually below the queenb : jackpot 1b(2)
3 : any of various usually mechanical devices: such asa : a usually portable mechanism or device for exerting pressure or lifting a heavy body a short distanceb : a device for turning a spit
4 : a female fitting in an electric circuit used with a plug to make a connection with another circuit
5a : man —usually used as an intensive in such phrases as every man jackb often capitalized : sailorc (1) : servant, laborer (2) : lumberjack
6 : something that supports or holds in position: such asa : an iron bar at a topgallant masthead to support a royal mast and spread the royal shroudsb : a wooden brace fastened behind a scenic unit in a stage set to prop it up
7a : any of several fishes; especially : any of various carangidsb : a male donkeyc : jackrabbitd : any of several birds (such as a jackdaw)
8a : a small white target ball in lawn bowlingb : a small national flag flown by a ship
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Examples of jack in a Sentence
I'd buy that watch, but I don't have the jack right now.
a Portuguese ship flying the national jack
Recent Examples of jack from the Web
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With the help of a floor jack and chainsaw, Zack's family freed him.
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The design team found room to fit four speakers where one was the norm while retaining a conventional headphone jack.
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The Loras recruit was a jack of all trades, recording 687 assists and 87 kills to go along with a stellar serve as one of the Southland's premier multifaceted players.
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Games include bingo, black jack, roulette and poker. 4-7 p.m. — T.B. Hanna Station Park, 214 S Washington St., Raymore The farmers market is scheduled every Tuesday June to September.
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Other key features dads will love; it’s waterproof so can survive an accidental drop in the pool and has a 3.5mm headphone jack for listening to music and audiobooks.
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A jack-of-all-trades on the field, the senior attacker had 64 goals, 22 assists and 101 draw controls this season.
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Traditional gyro meat may be paired with pepper jack cheese and Comeback sauce, topped with pesto hummus, or served with house sausage and Buffalo-wing sauce.
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An underrated one in jack-of-all-backs Danny Woodhead, the former Charger, to be Joe Flacco’s security blanket …
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'jack'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of jack
Middle English Jacke, familiar term of address to a social inferior, nickname for Johan John
jack
Definition of jack
transitive verb
1a : to move or lift by or as if by a jackb : to raise the level of —usually used with up jack up the pricec : to take to task
2 : to hunt or fish for at night with a jacklight
intransitive verb
: to hunt or fish at night with a jacklight
jacker
nounRecent Examples of jack from the Web
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Mylan has received extensive negative publicity for jacking up the price of its injector, which uses a generic drug to counter allergic reactions.
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Cornyn is collaborating with House Homeland Security Chairman Michael McCaul on a measure that would jack up mandatory minimums for certain immigrants and for people who commit violent crimes against law enforcement officials.
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The deadly twin attacks in Tehran have jacked up the already high tensions between Iran and its longtime foe, Saudi Arabia.
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The school’s problems were structural, much like the problems with the Wright house, whose cantilever needs to be jacked up so that one of its corners does not continue to sag.
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This new bill lets states choose to allow insurers to jack up the prices for people with preexisting conditions.
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If the Warriors wanted to jack up threes, the Lakers held opponents to 27.1 percent beyond the arc.
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The stock has fallen by more than 90 percent over the past 18 months following scandals related to Valeant jacking up the price of old drugs and its relationship with a mail-order pharmacy that allegedly boosted the company’s sales.
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GOP members of Congress will be asked to defend their votes for a bill that could strip insurance from 24 million Americans and jack up premiums and deductibles for the country's sickest and oldest citizens.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'jack'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of jack
circa 1841
JACK Defined for English Language Learners
jack
playDefinition of jack for English Language Learners
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: a device used for lifting something heavy (such as a car)
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: a playing card that has a picture of a soldier or servant and that is worth more than a ten and less than a queen
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: a small opening where something connects with a wire to something else
JACK Defined for Kids
Definition of jack for Students
1 : a device for lifting something heavy a short distance
2 : a playing card with the picture of a young man
3 : a small six-pointed usually metal object used in a children's game (jacks)
4 : a socket used with a plug to connect one electric circuit with another
Definition of jack for Students
jacked
;jacking
: to move or lift with a special device We need to jack up the car.
Learn More about jack
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See words that rhyme with jack Thesaurus: All synonyms and antonyms for jack Spanish Central: Translation of jack Nglish: Translation of jack for Spanish speakers Britannica English: Translation of jack for Arabic speakers Britannica.com: Encyclopedia article about jack
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