as in triggers
to cause to function
set off a bomb
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Recent Examples of sets off
Attractive green foliage sets off other plants in summer, and in fall, the plant displays a lovely yellow-gold color.
—
Lynn McAlpine, Better Homes & Gardens, 5 Mar. 2026
In Terminator, an all-powerful, faultless AI becomes sentient, decides that humans are the enemy, and sets off a nuclear apocalypse.
—Bipul Sinha, Fortune, 27 Jan. 2026
Convinced that these images faithfully represent America, a group of villagers sets off for the New World.
—Tope Folarin, The Atlantic, 8 Nov. 2025
The comedy horror film revolves around Brian (Tyler Perry) forbidding his daughter Tiffany (Diamond White) from attending a frat party, which sets off a string of Halloween pranks.
—Ariana Quihuiz, PEOPLE, 30 Oct. 2025
In the Disney+ series of the same name, rebellious princess Kit (Bottoms’ Ruby Cruz) sets off on a dangerous quest to rescue her twin brother from dastardly forces of evil.
—Abby Monteil, Them., 15 Oct. 2025
Instead, Swift sets off in search of a knockout.
—Rolling Stone, 3 Oct. 2025
The Carbon offers Apple Find My tracker integration and has its own Turbo System Lock that kills the motor and (optionally) sets off lights and siren alarms when the bike is moved while disabled.
—Kevin Purdy, ArsTechnica, 20 Sep. 2025
In Roland Emmerich’s enviro-disasterpiece, climate change sets off a series of events that send massive superstorms across the Earth, hurtling us into a new Ice Age.
—Bilge Ebiri, Vulture, 19 Sep. 2025
Lynn McAlpine, Better Homes & Gardens, 5 Mar. 2026
In Terminator, an all-powerful, faultless AI becomes sentient, decides that humans are the enemy, and sets off a nuclear apocalypse.
—Bipul Sinha, Fortune, 27 Jan. 2026
Convinced that these images faithfully represent America, a group of villagers sets off for the New World.
—Tope Folarin, The Atlantic, 8 Nov. 2025
The comedy horror film revolves around Brian (Tyler Perry) forbidding his daughter Tiffany (Diamond White) from attending a frat party, which sets off a string of Halloween pranks.
—Ariana Quihuiz, PEOPLE, 30 Oct. 2025
In the Disney+ series of the same name, rebellious princess Kit (Bottoms’ Ruby Cruz) sets off on a dangerous quest to rescue her twin brother from dastardly forces of evil.
—Abby Monteil, Them., 15 Oct. 2025
Instead, Swift sets off in search of a knockout.
—Rolling Stone, 3 Oct. 2025
The Carbon offers Apple Find My tracker integration and has its own Turbo System Lock that kills the motor and (optionally) sets off lights and siren alarms when the bike is moved while disabled.
—Kevin Purdy, ArsTechnica, 20 Sep. 2025
In Roland Emmerich’s enviro-disasterpiece, climate change sets off a series of events that send massive superstorms across the Earth, hurtling us into a new Ice Age.
—Bilge Ebiri, Vulture, 19 Sep. 2025
Recent Examples of Synonyms for sets off
Verb
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But when the grind triggers that frame of reference, Hall explained, the models have a rich vein of source material to draw from.—
Nick Lichtenberg,
Fortune,
7 Mar. 2026
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But what's rising especially fast is the more damaging type when the heat comes first and that triggers the drought.—
ABC News,
ABC News,
6 Mar. 2026
Verb
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Within ComPair’s ‘HealTech’ material, a healing agent activates at higher temperatures.—
Chris Young,
Interesting Engineering,
4 Mar. 2026
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The designation, announced by Secretary of State Marco Rubio, activates authorities created under an executive order signed in September that expanded the government's ability to penalize countries accused of detaining Americans for political bargaining power.—
Camilla Schick,
CBS News,
27 Feb. 2026
Verb
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Her writing invariably sparks discourse, sometimes misogynistic, often written off as jealousy over her success.—
Malavika Kannan,
Vulture,
3 Mar. 2026
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The United States and Israel conducted military strikes in Iran over the weekend, and while there are mixed feelings about what took place, some Iranians living in South Florida are hopeful this sparks a positive change for the country.—
Morgan Rynor
March 2,
CBS News,
2 Mar. 2026
Verb
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The solid dramatic framework that Gyllenhaal establishes drives events onward with relentless force, and her film is devilishly clever in its fusion of gothic horror and film-noir tropes.—
Richard Brody,
New Yorker,
4 Mar. 2026
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Most of the time, the engine drives a generator while the battery absorbs and delivers power.—
New Atlas,
New Atlas,
4 Mar. 2026
Verb
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Researchers are adapting the magnetron—the same component that powers microwave ovens—to provide the 10 megawatts of power required for ADS.—
Aman Tripathi,
Interesting Engineering,
19 Feb. 2026
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How Wisconsin's solar battery park powers 130,000 homes The Paris Solar farm began producing power in December 2024 and generates 200 megawatts of renewable electricity during the day.—
Kurt Knutsson,
FOXNews.com,
23 Sep. 2025
Verb
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As the train moves through the Hudson Valley and up toward the Canadian border, riverfront towns give way to wide expanses of water and distant mountain peaks.—
Lauren Dana Ellman,
Travel + Leisure,
8 Mar. 2026
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The bodywork also moves now — the wings literally adjust as the car moves around the track, which sounds made up but isn’t.—
Alex Kirshner,
New York Times,
8 Mar. 2026
Cite this Entry
“Sets off.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sets%20off. Accessed 12 Mar. 2026.
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