1
as in flags
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
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2
3
as in sailors
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
4
Example Sentences
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Recent Examples of jacks
Bodyweight exercises, including planks, jumping jacks, and burpees, can help build muscle and burn fat.
—
Jakob Roze, Health, 5 Feb. 2026
Spend a few minutes warming up with moves like jumping jacks, high knees, shoulder circles, and standing torso rotations.
—Jenny McCoy, Outside, 30 Jan. 2026
The workouts take him about 15 minutes a day, and include bouts of jumping jacks, aiming to do as many as possible in short bursts.
—Allison Aubrey, NPR, 19 Jan. 2026
Another exercise, star jacks, are inspired by the latest shape to join the Protein+ lineup.
—Erin Clements, PEOPLE, 13 Jan. 2026
The trick remains actually running, cycling, or doing jumping jacks consistently.
—Allie Garfinkle, Fortune, 13 Jan. 2026
At the end of the process, Atlas performed jumping jacks that looked just like Whitaker's.
—Bill Whitaker, CBS News, 5 Jan. 2026
In the pool, the women tell jokes and talk about their problems between sets of underwater biceps curls, leg lifts and jumping jacks.
—Bridget Fogarty, jsonline.com, 19 Dec. 2025
So when he was completely spent, Coles did 10 more jumping jacks, 10 more pushups and ran another half-mile.
—Dan Pompei, New York Times, 2 Dec. 2025
Jakob Roze, Health, 5 Feb. 2026
Spend a few minutes warming up with moves like jumping jacks, high knees, shoulder circles, and standing torso rotations.
—Jenny McCoy, Outside, 30 Jan. 2026
The workouts take him about 15 minutes a day, and include bouts of jumping jacks, aiming to do as many as possible in short bursts.
—Allison Aubrey, NPR, 19 Jan. 2026
Another exercise, star jacks, are inspired by the latest shape to join the Protein+ lineup.
—Erin Clements, PEOPLE, 13 Jan. 2026
The trick remains actually running, cycling, or doing jumping jacks consistently.
—Allie Garfinkle, Fortune, 13 Jan. 2026
At the end of the process, Atlas performed jumping jacks that looked just like Whitaker's.
—Bill Whitaker, CBS News, 5 Jan. 2026
In the pool, the women tell jokes and talk about their problems between sets of underwater biceps curls, leg lifts and jumping jacks.
—Bridget Fogarty, jsonline.com, 19 Dec. 2025
So when he was completely spent, Coles did 10 more jumping jacks, 10 more pushups and ran another half-mile.
—Dan Pompei, New York Times, 2 Dec. 2025
Recent Examples of Synonyms for jacks
Noun
-
During the game, LGBTQI+ flags were flown by the Celtarras, the main Celta ultra group in the Fondo Norte section of Balaidos.—
Colin Millar,
New York Times,
8 Feb. 2026
-
The flags are just one example of how much character lies within each corner of the city, from the water towers of Mount Airy to the riverside views of Downtown.—
David Ferrara,
Cincinnati Enquirer,
8 Feb. 2026
Noun
-
Talk about the weather, add some jokes in there about some of the guys on the team and just stuff like that.—
Kyle Feldscher,
CNN Money,
5 Feb. 2026
-
These guys genuinely want to build the trenches, be strong at the line of scrimmage on both sides of the ball, and that’s a huge key to surviving and thriving in the NFL.—
Chris Perkins,
Sun Sentinel,
4 Feb. 2026
Noun
-
One legend has it that the dish was the result of ingredients salvaged by the sailors of a sunken ship.—
Maggie Meyer Glisan,
Better Homes & Gardens,
8 Feb. 2026
-
Credit still flows to soldiers and sailors.—
Carter Dougherty,
Mercury News,
7 Feb. 2026
Noun
-
How to play Mega Millions Player can pick six numbers from two separate pools of numbers — five different numbers from 1 to 70 (the white balls) and one number from 1 to 24 (the gold Mega Mall).—
Tanya Wildt,
Freep.com,
7 Feb. 2026
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Conditions can vary significantly over short distances in the mountains, particularly overnight, as cooler air pools in higher terrain and sheltered areas.—
Joan Meiners,
AZCentral.com,
6 Feb. 2026
Noun
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By the early 20th century, after several centuries of rape, disease, enslavement, and land confiscation by colonizers, rubber barons, and loggers, their numbers had been reduced to 300.—
Stanley Stewart,
Travel + Leisure,
10 Jan. 2026
-
Just helping the land out, helping the loggers.—
Austen Erblat,
CBS News,
20 Dec. 2025
Noun
-
The same rule that bans smoking and the use of cell phones during debates, among other things, also bars the display of slogans, banners or plaques.—
Mark Pazniokas,
Hartford Courant,
5 Feb. 2026
-
One room has a replica of what appears to be a Vietnamese bank branch, complete with service counters, banners and a waiting area.—
Sakchai Lalit,
Los Angeles Times,
3 Feb. 2026
Noun
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The man told officers two males entered his unlocked apartment and sprayed him with a fire extinguisher, according to police.—
Justin Muszynski,
Hartford Courant,
4 Feb. 2026
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The thieves were described as one or two males wearing jumpsuits, and possibly driving a red Ford F-150 with an unknown license plate and a black GMC pickup truck with dealer plates — both of which were reported stolen.—
Adam Harrington,
CBS News,
3 Feb. 2026
Noun
-
Last week’s whale sightings by the Aquarium led the National Oceanic and Atmospheric Administration to implement a voluntary slow speed zone called a Dynamic Management Area (DMA) for mariners to reduce their speed to 10 knots to protect the whales.—
Rick Sobey,
Boston Herald,
13 Jan. 2026
-
The Coast Guard has put out a signal to other mariners for the survivors in distress.—
Chris Boccia,
ABC News,
1 Jan. 2026
Cite this Entry
“Jacks.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/jacks. Accessed 10 Feb. 2026.
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