jack

noun

ˈjak 
Definition of jack
1
as in cash
slang something (as pieces of stamped metal or printed paper) customarily and legally used as a medium of exchange, a measure of value, or a means of payment I'd buy that watch, but I don't have the jack right now

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2
as in flag
a piece of cloth with a special design that is used as an emblem or for signaling a Portuguese ship flying the national jack

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3
as in guy
an adult male human being hey, jack, can you spare some change?

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4
as in sailor
one who operates or navigates a seagoing vessel the streets of the old seaport were once full of jacks, harlots, and other dockside denizens

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5
as in pool
the total of the bets at stake at one time tension was mounting as the jack was getting bigger by the minute

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6
as in logger
a person whose job is to cut down trees we'll need to hire more jacks to get this forest cleared before winter

Synonyms & Similar Words

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of jack The center has the same weird jack-o’-lantern-esque façade and forgettable restaurants and hotels. — Jason Karlawish, STAT, 28 July 2026 Fortunately, remote work means there’s no one around to give you side-eye for doing jumping jacks between emails. — Jennifer Heimlich, Time, 27 July 2026 The Gen 14 version has an HDMI port, two 40Gbps USB-C/Thunderbolt ports, and an audio jack on the left side, with a locking slot and USB-A on the right. — Michael J. Miller, PC Magazine, 25 July 2026 Cut tomatoes, bean sprouts, cheddar, provolone, pepper jack and tuna were all held above proper cold holding temperatures. — Veronica Fernandez-Alvarado july 24, Sacbee.com, 24 July 2026 See All Example Sentences for jack
Recent Examples of Synonyms for jack
  1. cash
  2. flag
  3. guy
  4. sailor
  5. pool
  6. logger
  7. coin
  8. banner
Noun
  • The winner will receive a cash prize of $10,000 from Artemis Rising Foundation.
    — Nick Vivarelli, Variety, 25 Aug. 2026
  • Offer is nontransferable, subject to availability, and has no cash value.
    — The Bon Appétit Staff, Bon Appetit Magazine, 24 Aug. 2026
Definition of cash
Noun
  • Deezer and YouTube Music also ask distributors to flag when songs are created by AI and use advanced tools to help flag when they're not marked correctly.
    — James Peckham, PC Magazine, 21 Aug. 2026
  • Twelve flags for 83 yards, including nine against the backup offensive line.
    — Blair Kerkhoff, Kansas City Star, 21 Aug. 2026
Definition of flag
Noun
  • Always unassuming, sitting in the back of the room — but often the smartest person in the room — Saftler became known as the guy who can predict the future of television, constantly analyzing industry trends to figure out what would come next.
    — Nellie Andreeva, Deadline, 20 Aug. 2026
  • Just ask the guy running around Westwood in a literal bear costume earlier this week.
    — Alison Foreman, IndieWire, 20 Aug. 2026
Definition of guy
Noun
  • Whether supporting the Trident missile or other systems throughout the fleet, NSWC Corona’s work equips sailors with the confidence to trust their systems — empowering them to deliver peace through strength when the nation depends on them most.
    — Prabhat Ranjan Mishra, Interesting Engineering, 26 Aug. 2026
  • Some of the most striking parts of your reporting are the moments these sailors missed back at home, including graduations and weddings.
    — Dana Taylor, USA Today, 26 Aug. 2026
Definition of sailor
Noun
  • But his record of publicly interacting with Piker — including at a pool party just before the primary — remains a sore point among some Michigan Democrats.
    — Nicholas Wu, semafor.com, 27 Aug. 2026
  • Curry is largely there for comic relief, swanning in with a bevy of beauties, challenging Bosley (Bill Murray) to a sumo match, and, sadly, getting murdered by the pool, thus depriving us of Curry’s magnetic presence for the rest of the film.
    — ArsTechnica, ArsTechnica, 26 Aug. 2026
Definition of pool
Noun
  • Jackson, a logger before going into politics, said tariffs are another example of how Collins does not do enough to stand up to the president.
    — Bill Barrow, Fortune, 26 Aug. 2026
  • Maxell is conducting a joint feasibility study with House Foods Corporation on a food-process temperature logger using the new module.
    — Neetika Walter, Interesting Engineering, 26 Aug. 2026
Definition of logger
Noun
  • The study said the object, which left a greenish discoloration on her palate, was unlikely to be a coin, as the proportions of copper to gold did not correspond to those found in historical alloys.
    — Katie Hunt, CNN Money, 21 Aug. 2026
  • Assuming 20 million coins in circulation, this would imply that one bitcoin would be priced at approximately $50 million.
    — Dave Birnbaum, Forbes.com, 21 Aug. 2026
Definition of coin
Noun
  • Pattinson stars and produces through his Icki Eneo Arlo banner, with a supporting cast that includes Merritt Wever, Skyler Gisondo, Phoebe Bridgers and Bokeem Woodbine.
    — Clayton Davis, Variety, 21 Aug. 2026
  • Ishika Samant / Getty Images While the grounds pass is the banner example of surging prices, in sports, the seats closest to the action have the highest demand because there are so few of them.
    — Matthew Futterman, New York Times, 20 Aug. 2026
Definition of banner

Phrases Containing jack

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jabs
jack
jackanapes
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Cite this Entry

“Jack.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/jack. Accessed 28 Aug. 2026.

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More from Merriam-Webster on jack

Britannica.com: Encyclopedia article about jack

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