| add fuel to fire(verb, expression, idiom, support, increase) | |
| add to(verb, expression, support, increase, boost) | |
| afford support | |
| aiding | |
| alternate(adjective, exchange, switch, replace, swap) | |
| apologize for(verb, expression, support, maintain, favor) | |
| appear for | |
| argue(verb, support, maintain, favor, back) | |
| ascend | |
| assert(verb, support, maintain, favor, back) | |
| augment(verb, support, increase, improve, boost) | |
| authorize(verb, support, praise, favor, back) | |
| back-up | |
| back out(expression, retreat, recoil, recede) | |
| backtrail | |
| backwater | |
| be in place of(exchange, switch, replace, swap, interchange) | |
| bear one out(verb, expression, idiom, support, maintain) | |
| bear up | |
| beef up(verb, expression, support, increase, improve) |
For more, visit
Back_up on
Power Thesaurus
| APA | Smart Define. (2015). back up thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/back_up/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "back up thesaurus" https://smartdefine.org/back_up/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, back up thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/back_up/thesaurus/synonyms>. |
| MLA | Smart Define. "back up thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/back_up/thesaurus/synonyms> |