59 entries under significant topic. ×
| astronomical(substantial, large, huge, immense) | |
| heavyweight(adjective, heavy, large, considerable) | |
| mondo(substantial, large) | |
| reasonable(suitable, substantial, large, acceptable) | |
| tolerable(adjective, good, reasonable, fair) | |
| valuable(adjective, strong, smart, solid, big) | |
| appreciable(reasonable, substantial, large, adequate) | |
| big-deal(large, considerable) | |
| distinguished(substantial, large) | |
| doozie(substantial, large) | |
| durable(large, considerable) | |
| dynamite(substantial, large) | |
| essential(substantial, large) | |
| extraordinary(large, considerable) | |
| fab(substantial, large) | |
| firm(large, considerable) | |
| influential(substantial, large) | |
| key(large, considerable) | |
| major-league(large, considerable) | |
| marked(substantial, large) |
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| APA | Smart Define. (2016). ample thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/ample/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "ample thesaurus" https://smartdefine.org/ample/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2016, ample thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/ample/thesaurus/synonyms>. |
| MLA | Smart Define. "ample thesaurus" 29 March 2016. Web. 20 September 2026. <https://smartdefine.org/ample/thesaurus/synonyms> |