139 entries under verb topic. ×

15
support(support, hold, back, continue)
8
corroborate(support, back, sign, uphold)
7
bear out(expression, phrasal verb, support, back)
7
bolster(support, hold, take, continue)
7
uphold(support, hold, back, continue)
6
buttress(support, hold, continue, stay)
6
prop(support, hold, continue, stay)
6
sustain(support, hold, continue, stay)
5
back(support, sign, uphold, prove)
5
bear(take, continue, stay, extend)
5
confirm(prove, verify, substantiate, validate)
5
shore up(expression, phrasal verb, support, take)
5
stay(support, continue, extend, rest)
4
back up(expression, phrasal verb, strengthen, verify)
4
brace(support, hold, continue, stay)
4
carry(support, hold, strengthen, reinforce)
4
hold(support, continue, stay, extend)
4
prop up(expression, phrasal verb, support, strengthen)
4
reinforce(support, hold, strengthen, buttress)
4
shore(support, hold, reinforce)
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APASmart Define. (2015). underpin thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/underpin/thesaurus/synonyms
ChicagoSmart Define. 2015. "underpin thesaurus" https://smartdefine.org/underpin/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, underpin thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/underpin/thesaurus/synonyms>.
MLASmart Define. "underpin thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/underpin/thesaurus/synonyms>