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
Keri Heath, Austin American Statesman, 23 Feb. 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
Years of swinging and flipping across the playground have toughened Luna’s small hands.
—Keri Heath, Austin American Statesman, 23 Feb. 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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Be sure to cover your head and neck with your arms, and crawl under a sturdy table if possible.—
CA Earthquake Bot,
Sacbee.com,
7 Mar. 2026
-
Choose varieties that produce long, sturdy stems and blooms.—
Mary Marlowe Leverette,
Southern Living,
6 Mar. 2026
Verb
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The development effort includes strengthened safety standards built directly into the ship design.—
Sujita Sinha,
Interesting Engineering,
9 Mar. 2026
-
Major oil and gas producers in the Persian Gulf region curbed output as the US-Israeli war with Iran showed no sign of resolution, while the dollar strengthened against all of its major peers.—
Robin Paxton,
Bloomberg,
8 Mar. 2026
Verb
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Within the country there was also quite a bit of criticism that the Israel Defense Forces were physically out of shape and the commanders were not up to the task of facing a battle hardened Hezbollah.—
Matt Nighswander,
NBC news,
3 Mar. 2026
-
The surge in Crete last year hardened political positions in Athens.—
LEFTERIS PITARAKIS,
Arkansas Online,
1 Mar. 2026
Verb
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After the deputies put him back into the chair, Mitchell’s body stiffened, with his legs straight in front of him and his head lolling back.—
USA Today,
USA Today,
8 Mar. 2026
-
Democrats in Congress stiffened their opposition to an appropriations bill for the Department of Homeland Security, leading to a partial government shutdown.—
Jason Ma,
Fortune,
21 Feb. 2026
Adjective
-
Want to know just how hardy bee balm is?—
Lauren David,
Martha Stewart,
9 Mar. 2026
-
The plants are hardy in USDA Zones 8-10.—
Brandee Gruener,
Southern Living,
9 Mar. 2026
Adjective
-
The strong currents from flash floods can pull drivers off roadways.—
STAR-TELEGRAM WEATHER BOT,
Fort Worth Star-Telegram,
11 Mar. 2026
-
Tokyo has shown no interest in military involvement, but some experts believe the conflict could bolster Takaichi's push for a stronger military and expanded weapons sales.—
Arkansas Online,
Arkansas Online,
11 Mar. 2026
Adjective
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In 2008, Klay Thompson of Santa Margarita scored 37 points and made a record seven three-pointers at the notoriously tough Arco Arena in Sacramento to help the Eagles win the Division III title over Sacramento 72-55.—
Eric Sondheimer,
Los Angeles Times,
13 Mar. 2026
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Punch made multiple tough baskets and got to the free-throw line as the Jayhawks struggled with his physicality.—
Steven Johnson,
Fort Worth Star-Telegram,
13 Mar. 2026
Adjective
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Learn more › The latest product of an ongoing Peanuts x Timex collab is this Expedition Snoopy Road Trip watch, a cool and rugged off-roady timepiece with a fun splash of whimsy.—
Andrew P. Collins,
The Drive,
12 Mar. 2026
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Complicating all this is that the moon’s south pole is rugged and remote from more easily accessible regions, meaning there are surprisingly few places to build there.—
Leonard David,
Scientific American,
12 Mar. 2026
Cite this Entry
“Toughened.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/toughened. Accessed 13 Mar. 2026.
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