- Definitions|1
- Thesaurus|1.8k
- Abbreviations|0
238 entries under significant topic. ×
| eventful(important, outstanding, remarkable, notable) | |
| exceptional(adjective, big, unusual, important) | |
| exigent(big, substantial, valuable, vital) | |
| extensive(big, substantial, large, valuable) | |
| extraordinary(adjective, unusual, important, exceptional) | |
| forceful(sharp, important, powerful, stirring) | |
| foremost(vital, imperative) | |
| formidable(adjective, tough, severe, important) | |
| front-page(big, substantial, valuable, vital) | |
| goodly(substantial, large, considerable) | |
| heavyweight(great, big, heavy, important) | |
| importunate(big, substantial, valuable, vital) | |
| informative | |
| laborious(adjective, tough, severe, important) | |
| life-or-death(adjective, important, essential, critical) | |
| marked(big, substantial, large, valuable) | |
| massive(big, heavy, substantial, large) | |
| mattering much(expression, big, substantial, valuable) | |
| meaning business(expression, adjective, tough, severe, important) | |
| memorable(adjective, bright, intense, unusual, important) |
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| APA | Smart Define. (2016). meaningful thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/meaningful/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "meaningful thesaurus" https://smartdefine.org/meaningful/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, meaningful thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/meaningful/thesaurus/synonyms>. |
| MLA | Smart Define. "meaningful thesaurus" 29 March 2016. Web. 29 September 2026. <https://smartdefine.org/meaningful/thesaurus/synonyms> |