| princely(adjective, substantial, large, generous) | |
| protracted(adjective, great, big, deep, high) | |
| rife(adjective, common, general, accepted, dominant) | |
| scopic(adjective, spread, big, large, grand) | |
| towering(adjective, strong, great, powerful, deep) | |
| umbrella | |
| unbounded(adjective, huge, vast, endless, immense) | |
| healthy(adjective, big) | |
| holistic | |
| illimitable(adjective, huge, vast, endless, immense) | |
| impressive(adjective, large) | |
| incalculable(huge, vast, endless, immense, infinite) | |
| innumerable | |
| intercontinental(adjective, union, universal, worldwide, versatile) | |
| lengthened(adjective, great, deep, high, remote) | |
| lengthwise(adjective, long) | |
| magnificent(adjective, large, size) | |
| majestic(adjective, large) | |
| measurable(adjective, size) | |
| measureless(huge, vast, endless, immense, infinite) |
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| APA | Smart Define. (2016). extensive thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/extensive/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "extensive thesaurus" https://smartdefine.org/extensive/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, extensive thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/extensive/thesaurus/synonyms>. |
| MLA | Smart Define. "extensive thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/extensive/thesaurus/synonyms> |