122 entries under expression topic. ×

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fall down(break, collapse, faint)
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give away the store(verb, idiom, yield, surrender)
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give the nod(idiom, agree, allow, approve)
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go to pieces(idiom, break, collapse, faint)
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going with the flow(idiom, observe, quit, submit)
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keel over(break, collapse, faint)
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lay down your arms(verb, idiom, stop, withdraw)
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let on(accept, allow, acknowledge, quit)
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lie down and roll over(idiom, bow, stoop, grovel)
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own up(accept, allow, acknowledge, quit)
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pass on(agree, sanction, accord, adopt)
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pass out(break, collapse, faint)
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prostrate oneself(bow, stoop, kneel)
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pull out(stop, withdraw, surrender)
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shake on(agree, acquiesce, accede, concur)
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sign off on(idiom, agree, allow, yield)
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subscribe to(agree, acquiesce, concur)
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surrender to(endure, acquiesce, succumb)
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throw in the sponge(verb, idiom, surrender, concede)
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throw in your hand(verb, idiom, surrender, concede)
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APASmart Define. (2015). knuckle under thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/knuckle_under/thesaurus/synonyms
ChicagoSmart Define. 2015. "knuckle under thesaurus" https://smartdefine.org/knuckle_under/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, knuckle under thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/knuckle_under/thesaurus/synonyms>.
MLASmart Define. "knuckle under thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/knuckle_under/thesaurus/synonyms>