| courageously(adverb, resolutely, tenaciously) | |
| dauntlessly(adverb, resolutely, tenaciously) | |
| decisively(adverb, resolutely, tenaciously) | |
| definitely | |
| determinedly(adverb, resolutely, tenaciously) | |
| even | |
| expressly | |
| heartily(adverb, resolutely, tenaciously) | |
| heedfully(adverb, thoroughly, fully, precisely, correctly) | |
| honorably(very, really, thoroughly, fully, exactly) | |
| in every respect(expression, idiom) | |
| indomitably(adverb, resolutely, tenaciously) | |
| intently(adverb, thoroughly, carefully, resolutely) | |
| intimately(adverb, thoroughly, carefully, lovingly) | |
| ipsissimis verbis(adverb, exactly, precisely, literally) | |
| meticulously(adverb, thoroughly, fully, precisely, correctly) | |
| naturalistically | |
| particularly(absolutely, thoroughly, fully, completely, precisely) | |
| patiently | |
| piously(adverb, piously) |
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| APA | Smart Define. (2015). faithfully thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/faithfully/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "faithfully thesaurus" https://smartdefine.org/faithfully/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, faithfully thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/faithfully/thesaurus/synonyms>. |
| MLA | Smart Define. "faithfully thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/faithfully/thesaurus/synonyms> |