343 entries under adjective topic. ×
| scrupulous(thorough, meticulous, fastidious, vigilant) | |
| meticulous(careful, thorough, controlled, orderly) | |
| tenacious(precise, resolute, thorough, meticulous) | |
| active(activity, keen, difficult, energetic) | |
| constant(resolute, industrious, persevering) | |
| zealous(strong, keen, intense, energetic) | |
| fussy(precise, thorough, meticulous, fastidious) | |
| intent(activity, complete, total, resolute) | |
| stubborn(resolute, tenacious) | |
| untiring | |
| dogged(resolute, tenacious) | |
| resolute(resolute, tenacious) | |
| studious(thoughtful, serious, attentive, industrious) | |
| unfailing(certain, unchanging, tireless) | |
| unflagging(persistent, persevering, tenacious) | |
| unrelenting(persevering, tireless) | |
| exacting(thorough, meticulous, fastidious, vigilant) | |
| pertinacious | |
| strenuous(thorough, meticulous, painstaking) | |
| heedful(attentive, thorough, meticulous, vigilant) |
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| APA | Smart Define. (2015). diligent thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/diligent/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "diligent thesaurus" https://smartdefine.org/diligent/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, diligent thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/diligent/thesaurus/synonyms>. |
| MLA | Smart Define. "diligent thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/diligent/thesaurus/synonyms> |