147 entries under significant topic. ×
| distinguished(adjective, big, important, substantial) | |
| doozie(big, important, substantial, large) | |
| dynamite(big, important, substantial, large) | |
| esteemed(vital, imperative) | |
| extensive(big, substantial, large, valuable) | |
| fab(big, important, substantial, large) | |
| far-reaching(big, substantial, valuable, vital) | |
| fat(big, important, substantial, large) | |
| front-page(big, substantial, valuable, vital) | |
| grass-roots(adjective, important, original, basic) | |
| importunate(adjective, big, important, substantial) | |
| large(big, substantial, valuable, vital) | |
| marked(adjective, great, big, individual) | |
| mattering much(expression, big, substantial, valuable) | |
| meat-and-potatoes(adjective, important, original, critical) | |
| mondo(big, important, substantial, large) | |
| much(substantial, large) | |
| name of game(noun, expression, adjective, idiom) | |
| noteworthy(big, important, substantial, large) | |
| of moment(expression, big, substantial, valuable) |
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| APA | Smart Define. (2016). essential thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/essential/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "essential thesaurus" https://smartdefine.org/essential/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, essential thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/essential/thesaurus/synonyms>. |
| MLA | Smart Define. "essential thesaurus" 31 March 2016. Web. 24 September 2026. <https://smartdefine.org/essential/thesaurus/synonyms> |