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
-
After the rain-sleet mix, these elite, professional drivers crashed and brought out yellow flags 10 times.—
Doug Turnbull,
AJC.com,
15 Feb. 2026
-
Heed the advice of lifeguards, beach patrol, flags and signs.—
CA Weather Bot,
Sacbee.com,
15 Feb. 2026
Noun
-
That was a really physical challenge and you guys don't do a lot like that anymore.—
Dalton Ross,
Entertainment Weekly,
11 Feb. 2026
-
Five transfers, seven high school recruits — and 24 guys coming back for another go-round.—
Tyler Estep,
AJC.com,
11 Feb. 2026
Noun
-
Valparaíso colorful houses and civic buildings reflect the diversity of its residents—an international mix of merchants and sailors has occupied the town for hundreds of years.—
Annabelle Dufraigne,
Architectural Digest,
15 Feb. 2026
-
The Treasure is home to an expansive supervised area exclusive to its youngest sailors.—
Condé Nast,
Condé Nast Traveler,
11 Feb. 2026
Noun
-
There are pools across Kansas City willing to do the same for a team or two.—
Sam McDowell
Updated February 13,
Kansas City Star,
13 Feb. 2026
-
All that is accompanied by six restaurants, 12 bars and lounges, five heated indoor and outdoor pools, wellness experiences, and more.—
Nicole Hoey,
Robb Report,
12 Feb. 2026
Noun
-
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
-
But one of the bills could also prevent local governments from flying banners celebrating things like 4-H or high school graduates.—
Idaho Statesman,
Idaho Statesman,
10 Feb. 2026
-
On great banners overhead, the Jaguars' lank-haired quarterback, Trevor Lawrence, looks on impassively, his vibe somewhere between ’90s skate slacker and chisel-jawed jock.—
Toby Skinner,
Condé Nast Traveler,
10 Feb. 2026
Noun
-
The Republicans started to cosplay as working-class white males, and people bought right into it.—
Lorraine Ali,
Los Angeles Times,
11 Feb. 2026
-
The Inmate Reception Center serves as the primary intake and release facility for all males entering the county jail system.—
City News Service,
Daily News,
10 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 16 Feb. 2026.
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