240 entries under sustain topic. ×

2
submit to(expression, bear, experience, endure)
2
subsidize(verb, support, keep, maintain)
2
suffer(verb, take, maintain, continue, bear)
2
survive(verb, support, advance, keep, maintain)
2
swallow(verb, take, maintain, continue, bear)
2
take(verb, maintain, continue, bear, experience)
2
take care of(verb, expression, idiom, support, control)
2
take patiently(expression, bear, experience, endure)
2
tolerate(verb, take, maintain, continue, bear)
2
undergo(verb, take, maintain, continue, bear)
2
underpin(verb, continue, stay, extend)
2
vie(verb, maintain, continue)
2
weather(verb, take, bear, experience, endure)
2
withstand(verb, take, bear, experience, endure)
1
abet(verb, support, hold, help, keep)
1
aid(verb, support, hold, help, keep)
1
approve(verb, support, hold, help, keep)
1
assist(verb, support, hold, help, keep)
1
bankroll(verb, support, keep, maintain, continue)
1
can(noun, verb, keep, maintain, free)
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APASmart Define. (2015). keep up thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/keep_up/thesaurus/synonyms
ChicagoSmart Define. 2015. "keep up thesaurus" https://smartdefine.org/keep_up/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, keep up thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/keep_up/thesaurus/synonyms>.
MLASmart Define. "keep up thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/keep_up/thesaurus/synonyms>