Synonyms|216Antonyms|49|Broader|12Narrower|0Related|56

63 entries under support topic. ×

1
verify(verb, back, explain, prove)
0
jack up(verb, expression, phrasal verb, reinforce)
0
underprop(verb, 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>