| eyewitness(adjective, direct) | |
| novel(adjective, fresh, original, innovative, newfangled) | |
| untouched(adjective, fresh, original, novel, innovative) | |
| dewy(adjective, fresh, original, novel, innovative) | |
| factual | |
| imaginative | |
| intact | |
| neoteric(adjective, fresh, original, novel, innovative) | |
| pristine | |
| underived | |
| untried(adjective, fresh, original, novel, innovative) | |
| untrodden(adjective, fresh, original, novel, innovative) | |
| visceral(adjective, intimate, secret, private, penetrating) | |
| absolute | |
| adducible | |
| admissible | |
| at first hand(expression, idiom) | |
| attestative | |
| attestive | |
| authentic |
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| APA | Smart Define. (2015). firsthand thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/firsthand/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "firsthand thesaurus" https://smartdefine.org/firsthand/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, firsthand thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/firsthand/thesaurus/synonyms>. |
| MLA | Smart Define. "firsthand thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/firsthand/thesaurus/synonyms> |