496 entries under adjective topic. ×

7
historic(importance, main, extremely significant)
7
impressive(importance, valuable, main, notable)
7
key-note(importance, valuable, main, notable)
7
major(important, significant, original, substantial)
7
natural(common, ordinary, normal, basic)
7
portentous(importance, valuable, main, notable)
7
positive(physical, material, true, greatness)
7
principle(noun, support, action, drop)
7
remarkable(importance, valuable, main, notable)
7
rudimentary(simple, important, straightforward, original)
7
significative(importance, valuable, main, notable)
7
simple(hard, severe, rough, plain)
7
solemn(importance, valuable, main, notable)
7
substance(noun, importance, basic, necessity)
7
ultimate(importance, surface, main, typical)
7
virtual(essence, intrinsicality)
6
deep(original, basic, intimate, secret)
6
deep-rooted(private, mental, inner)
6
effective(useful, beneficial, advantageous)
6
iconic(feature, state, characteristic, most important)
10 years ago|34k views|share |citing 
APASmart Define. (2016). essential thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/essential/thesaurus/synonyms
ChicagoSmart Define. 2016. "essential thesaurus" https://smartdefine.org/essential/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, essential thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/essential/thesaurus/synonyms>.
MLASmart Define. "essential thesaurus" 31 March 2016. Web. 23 September 2026. <https://smartdefine.org/essential/thesaurus/synonyms>