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
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Recent Examples of jack
Slice the top off an orange—jack-o’-lantern style—and eat the fruit with a spoon, then fill the peel with cake batter, wrap it in tinfoil, and bake it in coals.
—
The Editors, Outside, 29 Dec. 2025
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
Some even like to add a slice of American or pepper jack to complement the peppery bite.
—Tara Massouleh McCay, Southern Living, 13 Dec. 2025
They’re cast alongside four other entertainers — singer Orville Peck as Vega, rapper 50 Cent as Balrog, jack of all trades Eric André as Don Sauvage, and comedian Andrew Schulz as Dan Hibiki.
—Jason P. Frank, Vulture, 12 Dec. 2025
See All Example Sentences for jack
Recent Examples of Synonyms for jack
Noun
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Janet’s mother, Marilyn, was deeply insecure about having never finished college herself, and—newly flush with cash—offered to pay for four years of her children’s higher education (which cost, on average, $740 in the late 1970s).—
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And just in case, she was laid to rest with some local currency, or spending cash, almost 1,000 Kaiyuan Tongbao coins tied to her waist and right leg, as per Arkeonews reported.—
Noun
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This all-season garden flag stand is $3 and can be used year round.—
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So feel free to exchange God for Holy, Arabness for Islam, sect and ethnicity for nation and state, or Palestine’s flag for a watermelon.—
Noun
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Wouldn’t be surprised if a few cheerleaders and equipment guys are looking to leave, too.—
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The guy in the back seat with me was just, like, trying to strike up small talk.—
Noun
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The town is named for the Greek mythological creature Scylla, a sea monster with multiple heads that was fabled to terrorize sailors (most notably, the hero Odysseus) who dared to travel the water between Italy and Sicily.—
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The name Siren's Curse comes from the mythical sirens who reside in Lake Erie and lure sailors with their singing.—
Noun
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Riley Johnson found Pantaleon across the pool for the opening goal.—
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During the primary, voters will be asked to select their top choice out of a pool of candidates, with the top two vote-getters advancing to the general election in November.—
Noun
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Related Stories The film follows Joel Edgerton as Robert Grainier, a logger and railroad worker living in the Pacific NorthWest.—
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Just helping the land out, helping the loggers.—
Noun
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In a simple demonstration, a coin cell powered a toy car for 288 cm under light, compared with 212 cm in the dark.—
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Stray tissues lipstick, crayon, coins, or car keys can ruin your laundry and even your machine.—
Noun
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Reijn will also produce through her Man Up Film banner, with A24 also producing and financing.—
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Participants are encouraged to bring banners.—
Cite this Entry
“Jack.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/jack. Accessed 20 Jan. 2026.
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