2
hand over(verb, expression, phrasal verb, stop, break)
2
have mercy(verb, expression, yield, surrender, quit)
2
have pity(verb, expression, yield, surrender, quit)
2
hollow(cut, mark, depress, dent, scoop)
2
hollow out(expression, depress, dent, scoop)
2
implode(verb, collapse)
2
keel over(verb, expression, phrasal verb, break, drop)
2
keep(verb, observe, quit, submit, satisfy)
2
knuckle(verb, stop, break, drop, go)
2
knuckle to(verb, expression, phrasal verb, observe, quit)
2
knuckle under(verb, expression, phrasal verb, stop, break)
2
languish(verb, break, drop, give, fail)
2
lapse(verb, drop, decline, settle, ease)
2
lay back(verb, expression, phrasal verb, yield, surrender)
2
leave(verb, stop, break, go, pass)
2
let go(verb, expression, stop, break, decline)
2
let it happen(verb, expression, idiom, yield, surrender)
2
lighten up(verb, expression, phrasal verb, yield, surrender)
2
lower(verb, drop, decline, drive, release)
2
meet waterloo(verb, expression, break, drop, go)
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APASmart Define. (2015). cave in thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/cave_in/thesaurus/synonyms
ChicagoSmart Define. 2015. "cave in thesaurus" https://smartdefine.org/cave_in/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, cave in thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/cave_in/thesaurus/synonyms>.
MLASmart Define. "cave in thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/cave_in/thesaurus/synonyms>