Cave in
Cave in verb - To fall down or in as a result of physical pressure.
Usage example: the wall caved in when a tree fell on it
Die
Mutual synonyms
Both terms in one sentence
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In a crowded restaurant, no less, but only because he expected him to either cave in or die soon.
Source: Film / The Green Hornet - In Harry Potter and the Deathly Hallows, when Harry learns that he is a Horcrux and must die if Voldemort is to be made vulnerable, he does not speak to Ron, Hermione, or Ginny as he heads to his death, because he knows that doing so might cause him to cave in and not go through with it.
Source: Hesitant Sacrifice
Cite this Source
Die and Cave in. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/cave_in/die
Cave in & Die. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/cave_in/die>.
Die or Cave in. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/cave_in/die.
Google Ngram Viewer shows how "cave in" and "die" have occurred on timeline