- Definitions|1
- Thesaurus|441
- Abbreviations|0
18 entries under authentic topic. ×
| beginning(adjective, opening, original, best) | |
| aboriginal(adjective, original, primitive, existing) | |
| pioneer(adjective, start, beginning, opening, original) | |
| embryonic(beginning, opening, original, first) | |
| opening(beginning, original, best, first) | |
| starting(adjective, first, previous, initial) | |
| commencing(beginning, opening, original, primary) | |
| inceptive(adjective, beginning, opening, original) | |
| infant(beginning, opening, original, primary) | |
| introductory(adjective, beginning, opening, original) | |
| underivative(simple, basic, first, unsophisticated) | |
| archetypal(adjective, original, first, previous) | |
| autochthonous(original, first, previous, initial) | |
| first-hand(first, previous, initial) | |
| genuine(first, previous, initial) | |
| prototypal(first, previous, initial) | |
| rudimental(first, previous, initial) | |
| underived(simple, basic, first, unsophisticated) |
For more, visit
Earliest on
Power Thesaurus
| APA | Smart Define. (2016). earliest thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/earliest/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "earliest thesaurus" https://smartdefine.org/earliest/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, earliest thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/earliest/thesaurus/synonyms>. |
| MLA | Smart Define. "earliest thesaurus" 13 March 2016. Web. 24 September 2026. <https://smartdefine.org/earliest/thesaurus/synonyms> |