8
strut(noun, verb, support, hold, maintain)
7
aid(noun, verb, support, help, keep)
7
hold up(verb, expression, phrasal verb, support, hold)
7
mainstay(noun, verb, support, hold, maintain)
7
maintain(verb, support, calm, help, fix)
7
prop up(verb, expression, phrasal verb, support, increase)
7
reinforcement(noun, support, hold, block, back)
7
stake(noun, verb, support, hold, maintain)
7
underpinning(noun, support, hold, block, back)
6
airplane propeller(noun, expression, idiom)
6
airscrew
6
backing(noun, support, hold, block, back)
6
bear(verb, support, hold, help, keep)
6
hold(noun, verb, support, maintain, block)
6
lean(verb, lie, bend, tip, incline)
6
property
6
stanchion(noun, support, hold, block, back)
6
stand(noun, verb, support, hold, maintain)
6
underpin(verb, support, hold, continue, stay)
6
upright(noun, support, post, stake, pillar)
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APASmart Define. (2015). prop thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/prop/thesaurus/synonyms
ChicagoSmart Define. 2015. "prop thesaurus" https://smartdefine.org/prop/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, prop thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/prop/thesaurus/synonyms>.
MLASmart Define. "prop thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/prop/thesaurus/synonyms>