106 entries under vital topic. ×
| signal(adjective, great, extraordinary, big, unusual) | |
| something(big, significant, substantial, valuable) | |
| standout(adjective, bad, great, excellent, big) | |
| structural(material, important, natural, original, basic) | |
| substratal(adjective, important, significant, original, essential) | |
| substrative(adjective, important, significant, original, essential) | |
| supporting(adjective, important, significant, original, essential) | |
| sustaining(adjective, important, significant, original, essential) | |
| theoretical(adjective, important, significant, original, essential) | |
| underived(adjective, important, significant, original, essential) | |
| valuable(big, significant, substantial, large) | |
| wanted(adjective, important, significant, serious, capital) | |
| all-important(adjective, significant, essential, basic) | |
| binding(adjective, significant, essential, basic) | |
| bottom line(expression, important, significant, essential, basic) | |
| compulsory(adjective, significant, essential, basic) | |
| de rigueur(expression, adjective, significant, essential, basic) | |
| expedient(adjective, significant, essential, basic) | |
| incumbent on(expression, adjective, significant, essential, basic) | |
| mandatory(adjective, significant, essential, basic) |
For more, visit
Principal on
Power Thesaurus
| APA | Smart Define. (2016). principal thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/principal/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "principal thesaurus" https://smartdefine.org/principal/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2016, principal thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/principal/thesaurus/synonyms>. |
| MLA | Smart Define. "principal thesaurus" 29 March 2016. Web. 20 September 2026. <https://smartdefine.org/principal/thesaurus/synonyms> |