| ultimate | |
| ultra | |
| unadorned(adjective, pure) | |
| unblemished(adjective, pure) | |
| uncluttered(adjective, pure) | |
| uncompleted(simple, basic, fundamental, elementary) | |
| uncomplex(simple, straightforward, basic, uncomplicated) | |
| undefiled(adjective, pure) | |
| underived(important, original, basic, vital, primary) | |
| undiluted(adjective, pure) | |
| unsullied(adjective, pure) | |
| untainted(adjective, pure) | |
| untarnished(adjective, pure) | |
| uppermost(adjective, lead, head, master, boss) | |
| vestigial(simple, basic, fundamental, elementary) | |
| virtuous(adjective, pure) | |
| vital(adjective, body, material, important, significant) | |
| absolute(adjective, basic, fundamental, key, central) | |
| adulterate | |
| alkaline |
For more, visit
Basal on
Power Thesaurus
| APA | Smart Define. (2015). basal thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/basal/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "basal thesaurus" https://smartdefine.org/basal/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, basal thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/basal/thesaurus/synonyms>. |
| MLA | Smart Define. "basal thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/basal/thesaurus/synonyms> |