- Definitions|2
- Thesaurus|1.7k
- Abbreviations|0
64 entries under thoughtful topic. ×
| diligent(adjective, activity, work, keen, strain) | |
| industrious(adjective, activity, work, keen, strain) | |
| sedulous(adjective, activity, work, strain, difficult) | |
| attentive(adjective, deliberate, active, alert, careful) | |
| busy(adjective, work, keen, intense, energetic) | |
| conscientious(adjective, work, tough, strain, exact) | |
| studious(adjective, careful, serious, considerate) | |
| thorough(adjective, careful, sober, earnest) | |
| intent(adjective, activity, lively, caring) | |
| alert(adjective, sober, considerate, cautious) | |
| eager(adjective, determined, active, serious) | |
| mindful(adjective, sober, considerate, cautious) | |
| observant(adjective, sober, considerate, cautious) | |
| fussy(adjective, deliberate, precise, trivial) | |
| precise(sober, cautious, prudent, wary) | |
| provident(sober, cautious, prudent, wary) | |
| regardful(sober, considerate, cautious, prudent) | |
| rigorous(sober, cautious, prudent, wary) | |
| serious(adjective, reflective) | |
| enthralled(adjective, caring, considerate, responsive) |
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| APA | Smart Define. (2015). assiduous thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/assiduous/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "assiduous thesaurus" https://smartdefine.org/assiduous/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, assiduous thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/assiduous/thesaurus/synonyms>. |
| MLA | Smart Define. "assiduous thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/assiduous/thesaurus/synonyms> |