66 entries under thorough topic. ×
| careful(adjective, thoughtful, serious, attentive, reliable) | |
| hard-working(adjective, activity, work, keen, strain) | |
| industrious(adjective, activity, work, strong, keen) | |
| assiduous(adjective, activity, work, keen, strain) | |
| sedulous(adjective, activity, work, strong, strain) | |
| painstaking(adjective, activity, difficult, careful, precise) | |
| conscientious(adjective, work, strain, careful, firmness) | |
| earnest(adjective, strong, enthusiastic, powerful, deep) | |
| persevering(adjective, keen, difficult, intense, energetic) | |
| punctilious(adjective, precise, meticulous, fastidious) | |
| scrupulous(adjective, meticulous, fastidious, vigilant) | |
| meticulous(adjective, careful, controlled, orderly) | |
| tenacious(adjective, precise, resolute, meticulous) | |
| fussy(adjective, precise, meticulous, fastidious) | |
| exacting(adjective, meticulous, fastidious, vigilant) | |
| strenuous(adjective, meticulous, painstaking) | |
| heedful(adjective, attentive, meticulous, vigilant) | |
| faithful(adjective, certain, careful, resolute, reliable) | |
| fastidious(adjective, precise, meticulous, fastidious) | |
| finicky(adjective, meticulous, fastidious, painstaking) |
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| APA | Smart Define. (2015). diligent thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/diligent/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "diligent thesaurus" https://smartdefine.org/diligent/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, diligent thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/diligent/thesaurus/synonyms>. |
| MLA | Smart Define. "diligent thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/diligent/thesaurus/synonyms> |