Kill
Kill verb - To cause to stop functioning.
Usage example: kill the engine before it overheats
Set off
Set off verb - To cause to function.
Usage example: set off a bomb
Both terms in one sentence
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If he does, Ilsa then has to kill Benji and Ethan or Lane will set off the bomb and kill all of them.
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Wily set off a self-destruct in his second fortress to try and kill Mega Man while he escaped and the third one fell apart because Wily tore it to bits trying to kill Mega Man with Gamma.
Source: Collapsing Lair - In "Lazarus", he berates Clark for almost killing a psychopathic Lex clone (who set off traps to kill Lois Lane and a bunch of other people), in which case Clark stopped himself from doing it.
Source: Parental Hypocrisy
Cite this Source
Set off and Kill. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/kill/set_off
Kill & Set off. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/kill/set_off>.
Set off or Kill. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/kill/set_off.
Google Ngram Viewer shows how "kill" and "set off" have occurred on timeline