130 entries under significant topic. ×
| weighty(adjective, big, heavy, important) | |
| important(adjective, important, famous, familiar) | |
| ponderous(adjective, great, big, heavy, full) | |
| healthy(adjective, big, substantial, definite) | |
| lavish(adjective, great, substantial, rich) | |
| major(adjective, reasonable, fair, big, important) | |
| sturdy(adjective, person, body, strong, powerful) | |
| bountiful(adjective, great, substantial, rich) | |
| solid(adjective, person, body, strong, big) | |
| sound(greatness, considerable) | |
| super(adjective, great, big, outstanding) | |
| astronomical | |
| consequential(adjective, strong, solid, big, important) | |
| appreciable(adjective, substantial, abundant, considerable) | |
| chief(adjective, big, substantial, valuable) | |
| greater(adjective, big, greatness, bigger) | |
| material(adjective, big, important, substantial) | |
| measurable(adjective, substantial, definite, size) | |
| salient(adjective, big, substantial, valuable) | |
| conspicuous(important, famous, familiar, vital) |
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| APA | Smart Define. (2016). large thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/large/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "large thesaurus" https://smartdefine.org/large/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, large thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/large/thesaurus/synonyms>. |
| MLA | Smart Define. "large thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/large/thesaurus/synonyms> |