as in sturdy
able to withstand hardship, strain, or exposure
a group of toughened mountain bikers barreling up the hill
Synonyms & Similar Words
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Antonyms & Near Antonyms
1
as in strengthened
to increase the ability of (as a muscle) to exert physical force
weight lifting will help toughen those flabby muscles of yours
Synonyms & Similar Words
Antonyms & Near Antonyms
2
as in hardened
to make able to withstand physical hardship, strain, or exposure
hiking every morning through snow and ice toughened him considerably
Synonyms & Similar Words
Antonyms & Near Antonyms
3
as in stiffened
to make more harsh, uncompromising, or severe
attempts to toughen conditions under which waivers from military service would be permitted
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of toughened
Literary Hub, 29 Jan. 2026
Trump announced a toughened stance on Russia’s war in Ukraine on Monday, setting a 50-day deadline for Moscow to reach a ceasefire or face sanctions.
—Alexis Simendinger, The Hill, 18 July 2025
Marley Malenfant, Austin American Statesman, 10 Apr. 2026
On her feet were a pair of custom Conquillas by Christian Louboutin, referencing the memorable fall winter 2014 shoes with a spiked silhouette and heelless platform—toughened up, but still reminiscent of the super-arched shoes of the Barbie era.
—Anna Cafolla, Vogue, 7 Feb. 2026
His detractors, however, criticize the mayor for focusing on short-term housing for the homeless at the expense of long-term solutions, threatening to arrest homeless people, and supporting Proposition 36, which Newsom opposed, that toughened penalties against repeat drug and theft offenses.
—Julia Prodis Sulek, Mercury News, 1 Feb. 2026
The Cook County chief judge’s office has toughened protocols around its electronic monitoring program, making changes in the wake of high-profile incidents and as the office’s monitored population swells.
—Madeline Buckley, Chicago Tribune, 29 Jan. 2026
The fatal flaw couldn’t be sufficiently mitigated, though, once the schedule toughened.
—Tom Krasovic, San Diego Union-Tribune, 13 Jan. 2026
Cowboys’ Dak Attack is the better offense here, and ‘Boys defense has toughened since earlier in the season.
—Miami Herald, 25 Nov. 2025
The most powerful are those toughened by formidable competitors.
—Preston Fore, Fortune, 5 Aug. 2025
Since the Supreme Court empowered local governments to crack down on homeless encampments in June, at least 40 jurisdictions around California have enacted new laws or toughened existing ones, according to the National Homelessness Law Center.
—Vanessa Rancaño, NPR, 28 Dec. 2024
Adjective
But her thickened skin, along with her toughened reputation, felt supple now.
—Literary Hub, 29 Jan. 2026
Trump announced a toughened stance on Russia’s war in Ukraine on Monday, setting a 50-day deadline for Moscow to reach a ceasefire or face sanctions.
—Alexis Simendinger, The Hill, 18 July 2025
Verb
Scheffler started hot but cooled off as conditions toughened later in the day.
—Marley Malenfant, Austin American Statesman, 10 Apr. 2026
On her feet were a pair of custom Conquillas by Christian Louboutin, referencing the memorable fall winter 2014 shoes with a spiked silhouette and heelless platform—toughened up, but still reminiscent of the super-arched shoes of the Barbie era.
—Anna Cafolla, Vogue, 7 Feb. 2026
His detractors, however, criticize the mayor for focusing on short-term housing for the homeless at the expense of long-term solutions, threatening to arrest homeless people, and supporting Proposition 36, which Newsom opposed, that toughened penalties against repeat drug and theft offenses.
—Julia Prodis Sulek, Mercury News, 1 Feb. 2026
The Cook County chief judge’s office has toughened protocols around its electronic monitoring program, making changes in the wake of high-profile incidents and as the office’s monitored population swells.
—Madeline Buckley, Chicago Tribune, 29 Jan. 2026
The fatal flaw couldn’t be sufficiently mitigated, though, once the schedule toughened.
—Tom Krasovic, San Diego Union-Tribune, 13 Jan. 2026
Cowboys’ Dak Attack is the better offense here, and ‘Boys defense has toughened since earlier in the season.
—Miami Herald, 25 Nov. 2025
The most powerful are those toughened by formidable competitors.
—Preston Fore, Fortune, 5 Aug. 2025
Since the Supreme Court empowered local governments to crack down on homeless encampments in June, at least 40 jurisdictions around California have enacted new laws or toughened existing ones, according to the National Homelessness Law Center.
—Vanessa Rancaño, NPR, 28 Dec. 2024
Recent Examples of Synonyms for toughened
Adjective
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It’s made with a breathable upper, a double-lace lock that creates a snug fit to prevent your foot from slipping out of the shoe, and a sturdy and durable rubber outsole that can handle frequent use.—
Jasmine Gomez,
Travel + Leisure,
23 May 2026
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So when House lawmakers downstate passed a bill to designate the sturdy yet soggy Italian beef the official state sandwich of Illinois, Zucchero’s brain had to be picked.—
Zareen Syed,
Chicago Tribune,
22 May 2026
Verb
-
An historic meeting the president said strengthened ties between the two nations, but which did not produce a major agreement on trade or a commitment from China to help end the war with Iran.—
NBC news,
NBC news,
17 May 2026
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The country’s residency pathways and growing digital nomad infrastructure have further strengthened its popularity among remote workers and retirees alike.—
Meggen Harris,
Forbes.com,
16 May 2026
Verb
-
Franchise art director Rasmus Poulsen has described it as a Bond who has experienced personal tragedy but hasn't yet been hardened by the darker side of spycraft.—
Brian Mazique,
Forbes.com,
16 May 2026
-
Its purpose is to ensure that the questions before state legislators, members of Congress, and federal agencies are the right questions, asked in the right order, before another five hundred bills are introduced and a patchwork is hardened in place that no one designed and few defend.—
Jeffrey Sonnenfeld,
Fortune,
15 May 2026
Verb
-
His eyes locked to the right, his tiny body stiffened and his face turned red.—
Jordan Greene,
PEOPLE,
19 May 2026
-
There was a sudden spring shower, which stiffened into rain.—
Sam Knight,
New Yorker,
14 May 2026
Adjective
-
Adored for its almost non-stop flowering, 'Rozanne' boasts showy violet-blue flowers, a unique color among hardy geraniums.—
Kim Toscano,
Southern Living,
19 May 2026
-
Despite its tropical look, one hibiscus tree (Rose of Sharon) is cold-hardy and can grow in zones 5 to 9—much farther north than most gardeners expect.—
Madeline Buiano,
Martha Stewart,
14 May 2026
Adjective
-
The hovercraft tragedy underscores the rapidly changing weather conditions, dangerous waves and strong winds associated with Lake Baikal, reports indicated.—
Jessica Mekles,
FOXNews.com,
20 May 2026
-
Beyond keeping bugs away from your guests and food, the zapper also cuts down on the need for bug sprays, which can leave behind strong smells or residue.—
Jeaneen Russell,
PEOPLE,
20 May 2026
Adjective
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Each of those teams will be competing for playoff spots again, leaving the Raiders with no easy divisional wins and a tough out-of-division schedule.—
Sam Warren,
New York Times,
15 May 2026
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The group did just enough against Sale and a tough Braves bullpen to avoid getting shut out for the third time in five games.—
Meghan Montemurro,
Chicago Tribune,
15 May 2026
Adjective
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Located on the doorstep of wild and rugged country, King Salmon serves regularly as a refueling stop for hunting parties and as a place to get information on the location and abundance of game.—
Ben East,
Outdoor Life,
14 May 2026
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Developers advertised the rugged mesa—framed by the Santa Monica Mountains to the east and the ocean to the west—as an escape from the dust and noise of the growing city of Los Angeles.—
Literary Hub,
Literary Hub,
13 May 2026
Cite this Entry
“Toughened.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/toughened. Accessed 23 May. 2026.
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