Activate and Stop

Opposite meaning words

Activate verb - To cause to function.

Usage example: the thermostat is set to activate the heating system only when the temperature drops below 65 degrees

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Stop is an antonym for activate in topics: start, start a function.

Stop verb - To bring (as an action or operation) to an immediate end.

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Activate is an antonym for stop.

Nearby Words: stopped, stopper, stopping, stopover

attack	activate attack	stop attack
series	activate series	stop series
bomb	activate bomb	stop bomb
plan	activate plan	stop plan
Other words: machine, curse, weapon, virus, attacks.

Doesn't stop the Doctor from threatening to activate it around those who don't know better, though.

Source: Self-Destruct Mechanism
Heroic Sacrifice: Captain Mahr Vehl plans to do this to stop Galactus, but dies of his injuries before he can activate the nuclear warhead in his armor.

Source: Comic Book / Cataclysm: The Ultimates' Last Stand
Also, it was programed to automatically activate when someone planned to attack and stop the attack before it happened.

Source: Gone Horribly Right / Video Games

Cite this Source

Stop and Activate. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/activate/stop

Activate & Stop. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/activate/stop>.

Stop or Activate. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/activate/stop.

Google Ngram Viewer shows how "activate" and "stop" have occurred on timeline