Synonyms|186Antonyms|10|Broader|5Narrower|2Related|164

50 entries under sustain topic. ×

1
stroke(verb, support, increase, boost)
1
supplement(verb, support, increase, boost)
1
toughen(verb, support, increase, boost)
1
underline(verb, support, increase, boost)
0
buoy up(verb, expression, boost, cheer)
0
keep afloat
0
rest(verb, support, uphold, reinforce)
0
stand(verb, support, maintain, uphold)
0
truss(verb, support, uphold, reinforce)
0
underprop(verb, support, uphold, reinforce)
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APASmart Define. (2015). prop up thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/prop_up/thesaurus/synonyms
ChicagoSmart Define. 2015. "prop up thesaurus" https://smartdefine.org/prop_up/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, prop up thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/prop_up/thesaurus/synonyms>.
MLASmart Define. "prop up thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/prop_up/thesaurus/synonyms>