223 entries under back topic. ×
| nurse(verb, support, give, keep, love) | |
| befriend(verb, support, help, keep, develop) | |
| justify(verb, support, hold, help, show) | |
| prop(verb, support, hold, calm, help) | |
| assist(verb, support, hold, help, increase) | |
| brace(verb, support, hold, calm, take) | |
| buttress(noun, verb, support, hold, calm) | |
| encourage(verb, support, help, give, increase) | |
| guard(verb, support, hold, fix, keep) | |
| help(verb, support, hold, keep, maintain) | |
| save(verb, support, hold, keep, maintain) | |
| back up(verb, expression, phrasal verb, support, increase) | |
| certify(verb, support, show, determine, favor) | |
| favor(verb, support, help, give, keep) | |
| fortify(verb, support, hold, increase, develop) | |
| reinforce(verb, support, hold, help, increase) | |
| sanction(verb, support, take, accept, develop) | |
| shore up(verb, expression, phrasal verb, support, hold) | |
| strengthen(verb, support, hold, help, give) | |
| warrant(verb, support, show, maintain, determine) |
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| APA | Smart Define. (2015). sustain thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/sustain/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "sustain thesaurus" https://smartdefine.org/sustain/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, sustain thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/sustain/thesaurus/synonyms>. |
| MLA | Smart Define. "sustain thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/sustain/thesaurus/synonyms> |