- Definitions|1
- Thesaurus|268
- Abbreviations|0
| unremittingly(adverb, thoroughly, fully, completely, vigorously) | |
| backwards and forwards(expression, idiom, adverb, detail, fully) | |
| busily(adverb, actively, intently) | |
| conscientiously | |
| eagerly(adverb, vigorously, earnestly, actively, hastily) | |
| fervently(adverb, vigorously, earnestly, actively, hastily) | |
| hardly | |
| intensively(adverb, very, thoroughly, fully, completely) | |
| meticulously | |
| mightily | |
| resolutely | |
| untiringly(adverb, thoroughly, closely, sharply, meticulously) | |
| vigorously(adverb, earnestly, actively, hastily, carefully) | |
| zealously(adverb, vigorously, earnestly, actively, hastily) | |
| actively intently(expression, adverb, vigorously, earnestly, hastily) | |
| agilely(adverb, vigorously, earnestly, actively, hastily) | |
| all | |
| animatedly(adverb, vigorously, earnestly, actively, hastily) | |
| anxiously | |
| ardently(adverb, vigorously, earnestly, actively, hastily) |
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| APA | Smart Define. (2016). assiduously thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/assiduously/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "assiduously thesaurus" https://smartdefine.org/assiduously/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, assiduously thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/assiduously/thesaurus/synonyms>. |
| MLA | Smart Define. "assiduously thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/assiduously/thesaurus/synonyms> |