as in triggers
to cause to function
set off a bomb
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Recent Examples of sets off
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
The ball smashes into the floodlights, and Hobbs sets off on his victory trot, in slow motion, with sparks cascading behind him like fireworks.
—Anthony Lane, New Yorker, 18 Sep. 2025
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
The ball smashes into the floodlights, and Hobbs sets off on his victory trot, in slow motion, with sparks cascading behind him like fireworks.
—Anthony Lane, New Yorker, 18 Sep. 2025
Recent Examples of Synonyms for sets off
Verb
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In the brain, the virus leads to an immune response that triggers inflammation, can damage brain cells, and can even shrink brain volume, according to research on imaging studies that was published in March 2022 in the journal Nature.—
Stephanie Armour,
CBS News,
27 Jan. 2026
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Turns out the combination of hot liquid, salt and easily digestible carbohydrates triggers multiple comfort responses in our bodies.—
Cheryl Russell,
Oc Register,
24 Jan. 2026
Verb
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March is always madness, but this month intensifies matters as Mars activates your relationship zone (between March 2 and April 9), bringing complexities, buried desires and unspoken resentments to the surface.—
Valerie Mesa,
PEOPLE,
28 Jan. 2026
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Neuroscience has long shown that watching another person experience pain activates the same neural regions as experiencing pain ourselves.—
Dev Patnaik,
Forbes.com,
27 Jan. 2026
Verb
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Regular communication to senior leadership sets expectations and builds the case for continued investment; communication across the company generates future initiatives, builds grassroots support and sparks a healthy degree of FOMO.—
Jennifer Belissent,
Forbes.com,
28 Jan. 2026
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Everything from adults-only zones on planes to child-free weddings sparks controversy online.—
Irenie Forshaw,
TheWeek,
28 Jan. 2026
Verb
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Modular software drives robots The platform emphasizes that software can evolve independently of hardware, enabling robots to learn new tasks and improve over time.—
Neetika Walter,
Interesting Engineering,
30 Jan. 2026
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Patrick drives his dagger into Huw’s chest just as the cops show.—
Erik Kain,
Forbes.com,
29 Jan. 2026
Verb
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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
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This process, which powers the sun and stars, offers the potential for a virtually limitless power source.—
Aman Tripathi,
Interesting Engineering,
12 Sep. 2025
Verb
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One slightly wrong rate in a budget, procurement forecast, or loan estimate easily moves millions of dollars in the wrong direction.—
Arkansas Online,
Arkansas Online,
8 Jan. 2026
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The Honda moves forward, turning to the right.—
Devon Lum,
Twin Cities,
8 Jan. 2026
Cite this Entry
“Sets off.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sets%20off. Accessed 31 Jan. 2026.
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