223 entries under back topic. ×

3
subsidize(verb, support, help, fix, keep)
3
take care of(verb, expression, idiom, phrasal verb, support)
3
upbear(verb, support, hold, maintain, promote)
3
vindicate(verb, support, maintain, promote, encourage)
2
advance(verb, support, hold, help, increase)
2
apologize for(verb, expression, support, maintain, favor)
2
argue(verb, support, show, maintain, favor)
2
buck up(verb, expression, support, help, maintain)
2
build up(verb, expression, support, increase, favor)
2
cheer(verb, support, hold, help, maintain)
2
elevate(verb, support, maintain, promote, encourage)
2
exonerate(verb, support, maintain, favor)
2
explain(verb, support, show, maintain, determine)
2
finance(verb, support, keep, maintain, encourage)
2
forward(verb, support, hold, help, develop)
2
further(verb, support, help, increase, develop)
2
give a leg up(verb, expression, idiom, support, help)
2
go for(verb, expression, phrasal verb, support, help)
2
go to bat for(verb, expression, idiom, support, hold)
2
go with(verb, expression, support, help, maintain)
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APASmart Define. (2015). sustain thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/sustain/thesaurus/synonyms
ChicagoSmart Define. 2015. "sustain thesaurus" https://smartdefine.org/sustain/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, sustain thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/sustain/thesaurus/synonyms>.
MLASmart Define. "sustain thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/sustain/thesaurus/synonyms>