- Definitions|2
- Thesaurus|169
- Abbreviations|0
10 entries under expression topic. ×
| brace up(verb, phrasal verb) | |
| hold up(verb, phrasal verb, hold, maintain) | |
| shore up(verb, phrasal verb, support, hold) | |
| back up(verb, phrasal verb) | |
| beef up(verb, phrasal verb) | |
| keep up(verb, phrasal verb, hold, maintain) | |
| prop up(verb, maintain, reinforce, buttress) | |
| keep from falling(verb, idiom, support, hold) | |
| be behind | |
| shoring up(hold, base) |
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| APA | Smart Define. (2015). undergird thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/undergird/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "undergird thesaurus" https://smartdefine.org/undergird/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, undergird thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/undergird/thesaurus/synonyms>. |
| MLA | Smart Define. "undergird thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/undergird/thesaurus/synonyms> |