141 entries under big topic. ×
| protracted(adjective, great, deep, high) | |
| scopic(adjective, spread, large, grand) | |
| healthy | |
| prolonged(adjective, great, deep, high) | |
| serious(significant, substantial, large, valuable) | |
| significant(adjective, substantial, large, valuable) | |
| tidy(adjective, great, informal, significant) | |
| weighty(significant, substantial, large, valuable) | |
| dominant(adjective, large, widespread, bigger) | |
| goodly(great, significant, substantial, large) | |
| comprising(adjective, complete, full, grand) | |
| decisive(significant, substantial, valuable, vital) | |
| determining(significant, substantial, valuable, vital) | |
| earnest(significant, substantial, valuable, vital) | |
| essential(significant, substantial, large, valuable) | |
| exigent(significant, substantial, valuable, vital) | |
| extravagant(adjective, great, fancy, exact) | |
| fat(great, significant, substantial, large) | |
| front-page(significant, substantial, valuable, vital) | |
| gross(great, substantial, generous, huge) |
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| APA | Smart Define. (2016). extensive thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/extensive/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "extensive thesaurus" https://smartdefine.org/extensive/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, extensive thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/extensive/thesaurus/synonyms>. |
| MLA | Smart Define. "extensive thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/extensive/thesaurus/synonyms> |