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
Synonyms & Similar Words
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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
Synonyms & Similar Words
3
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
Synonyms & Similar Words
5
Example Sentences
Examples are automatically compiled from online sources to
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Recent Examples of jack
The 18-wheeler driven by Gonzalez-Companioni was then pushed into two other 18-wheelers, causing one to jack-knife and strike a Jeep Compass, a Ford Mustang, and a Honda passenger vehicle, according to Texas DPS.
—
J.d. Miles,
CBS News,
25 June 2026
Scott recommends adding a 20-minute explosive-power session to your weekly workout routine, which could include exercises like squat jumps and jumping jacks.
—
Brittney Melton,
NPR,
22 June 2026
That’s 10 years of farming around idle pump jacks and tabulating acres damaged by fluid leaks.
—
Adriana Pérez,
Chicago Tribune,
22 June 2026
Species like mahi mahi, jacks and amberjacks also use it as a primary nursery area.
—
Sarah Perkel,
USA Today,
16 June 2026
See All Example Sentences for jack
J.d. Miles,
CBS News,
25 June 2026
Scott recommends adding a 20-minute explosive-power session to your weekly workout routine, which could include exercises like squat jumps and jumping jacks.
—
Brittney Melton,
NPR,
22 June 2026
That’s 10 years of farming around idle pump jacks and tabulating acres damaged by fluid leaks.
—
Adriana Pérez,
Chicago Tribune,
22 June 2026
Species like mahi mahi, jacks and amberjacks also use it as a primary nursery area.
—
Sarah Perkel,
USA Today,
16 June 2026
See All Example Sentences for jack
Recent Examples of Synonyms for jack
Noun
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One of several bags of cash found inside the home of Mario Rocha during an FBI search of his residence in August 2025, as seen in a photograph contained in a court document.
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But SpaceX is burning cash on its AI businesses, and investors are making a bet that the company will be able to reach profitability in the future.
Noun
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For example, one set of flag banners for Argentina and Cape Verde were in Miami at Hard Rock Stadium for Friday’s game while the other set was already en route to Atlanta, where the winner of this match would play next in the Round of 16.
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Inside the building, the rhythm of an African drumbeat pulsated a few rows of the upper deck, the fans there draped by the flag of Ghana.
Noun
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Kahan headlines Rolling Stone’s inaugural Stateside Festival on July 4, just ahead of his return to Fenway on July 18 and 19, where 70,000 people will get to see a guy with his guitar absolutely captivate.
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Then, oh yeah, defenses can’t focus too much on those guys because of how much attention Joel Embiid commands.
Noun
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The black-and-white snapshots of sailors hoisting lines on deck look similar to the modern scenes still playing out today.
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There may not be quite as many small-time sailors in the harbor this time, owing to the rigidity that has become inevitable since the 9/11 attacks, but plenty of weekend captains will make their way here.
Noun
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In 1926, Brian's great-grandfather, Henry Knoebel, opened a pool that would mark the official start of the family’s park.
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Also, the pool area, now painted in a playful shade called Carrot Orange, has more seating and a photo booth nearby.
Noun
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The loggers left in 1955, and the Ranch soon welcomed guests again (and of course—became a guiding force in western hospitality, favored by those seeking a true Montana experience).
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Ostensibly, the 1996 journey was meant to protect the Korubo from further outside contact by invaders (loggers, fishermen, settlers) intent on taking their resources.
Noun
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That’s not to mention an upcoming summer of local and national festivities that promises fireworks, parades, bands, speeches, prizes, and commemorative everything, from postage stamps and coins to musical compositions.
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Now, the new Heritage Coin collection takes the original coin watch to all new heights – but exclusive ones.
Noun
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The banner was driven from KC to Team Algeria’s base-camp headquarters at the DoubleTree Hotel prior to the team’s departure for Vancouver, Canada.
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On July 1, two people were arrested after reaching the top of the iconic New York City building, displaying a banner and appearing to stage a proposal.
Cite this Entry
“Jack.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/jack. Accessed 5 Jul. 2026.
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