Synonyms|25Antonyms|0|Broader|0Narrower|0Related|1

6 entries under underpin topic. ×

0
brace(verb, support, set, sustain, uphold)
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fortify(verb, support, reinforce)
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jack up(verb, expression, phrasal verb, support, reinforce)
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reinforce(verb, support)
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set(verb, support, sustain, uphold, brace)
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shore up(verb, expression, phrasal verb, support, reinforce)
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APASmart Define. (2011). underprop thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/underprop/thesaurus/synonyms
ChicagoSmart Define. 2011. "underprop thesaurus" https://smartdefine.org/underprop/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2011, underprop thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/underprop/thesaurus/synonyms>.
MLASmart Define. "underprop thesaurus" 23 May 2011. Web. 24 September 2026. <https://smartdefine.org/underprop/thesaurus/synonyms>