155 entries under sustain topic. ×

3
maintain(verb, support, hold, help, keep)
3
nurse(verb, support, calm, quiet, help)
3
nurture(noun, verb, support, help, advance)
3
run interference for(verb, expression, idiom, support, calm)
3
stand by(verb, expression, phrasal verb, support, help)
3
stick up for(verb, expression, idiom, phrasal verb, support)
3
underwrite(verb, support, keep, maintain)
2
back up(verb, expression, phrasal verb, support, help)
2
bankroll(verb, support, help, keep, maintain)
2
brace(noun, verb, support, help, keep)
2
buttress(noun, verb, support, help, keep)
2
care for(verb, expression, support, help, give)
2
collaborate(verb, support, help, play, agree)
2
confirm(verb, support, help, accept, keep)
2
cooperate(verb, support, help, advance, attack)
2
espouse(verb, support, help, advance, develop)
2
give a boost(verb, expression, idiom, support, help)
2
give a leg up(verb, expression, idiom, support, help)
2
give a lift(expression, idiom, support, help, favor)
2
go for(verb, expression, support, help, accept)
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APASmart Define. (2016). aid thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/aid/thesaurus/synonyms
ChicagoSmart Define. 2016. "aid thesaurus" https://smartdefine.org/aid/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, aid thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/aid/thesaurus/synonyms>.
MLASmart Define. "aid thesaurus" 5 January 2016. Web. 30 September 2026. <https://smartdefine.org/aid/thesaurus/synonyms>