129 entries under collapse topic. ×

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ground(verb, decline, release, abandon, lower)
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hunch(bend, plunge, slouch)
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knock(verb, decline, release, abandon, lower)
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knuckle(break, faint)
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knuckle under(expression, break, faint)
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loll(bend, plunge, hunch, slouch)
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loosen(verb, decline, release, abandon, lower)
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meet waterloo(expression, break, faint)
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oust(upset, fall, plunge, tumble)
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pack it in(expression, idiom, break, faint)
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pass away(expression, break, faint)
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perish(break, faint)
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plump(verb, decline, release, abandon, lower)
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quit(break, faint)
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reach new low(expression, idiom, bend, plunge)
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release(verb, decline, abandon, lower, slip)
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relinquish(verb, decline, release, abandon, lower)
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shed(verb, decline, release, abandon, lower)
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shoot(verb, decline, release, abandon, lower)
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show white flag(expression, idiom, break, faint)
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APASmart Define. (2015). keel over thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/keel_over/thesaurus/synonyms
ChicagoSmart Define. 2015. "keel over thesaurus" https://smartdefine.org/keel_over/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, keel over thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/keel_over/thesaurus/synonyms>.
MLASmart Define. "keel over thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/keel_over/thesaurus/synonyms>