- Definitions|2
- Thesaurus|1.7k
- Abbreviations|0
| absolute | |
| absorbed(adjective, involved, occupied, engaged, captivated) | |
| advertent | |
| aggressive | |
| all-embracing(complete, tough, full, conscientious, exhaustive) | |
| all-out(complete, tough, full, conscientious, exhaustive) | |
| all eyes | |
| all the way(expression, idiom, complete, tough, full) | |
| all wound up(expression, adjective, idiom, absorbed, occupied) | |
| already taken(expression, adjective, active, occupied, working) | |
| apply | |
| at it(expression, adjective, active, occupied, working) | |
| at work(expression, adjective, active, occupied, working) | |
| avid | |
| ball of fire(expression, adjective, idiom, energetic, lively) | |
| bottomless | |
| bound(adjective, determined, steady, resolute, constant) | |
| bound and determined | |
| bulldogged | |
| buried(adjective, lively, active, busy, occupied) |
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| APA | Smart Define. (2015). assiduous thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/assiduous/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "assiduous thesaurus" https://smartdefine.org/assiduous/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, assiduous thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/assiduous/thesaurus/synonyms>. |
| MLA | Smart Define. "assiduous thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/assiduous/thesaurus/synonyms> |