402 entries under adjective topic. ×

9
all-inclusive(complete, thorough, specific, broad)
9
bulky(strong, great, powerful, large)
9
commodious(open, great, substantial, large)
9
encyclopedic(complete, full, thorough, broad)
9
open(spread, union, large, thick)
9
tremendous(strong, large, huge, vast)
9
wholesale(big, common, large, grand)
9
worldwide(common, union, universal, general)
8
blanket(complete, informal, full, thorough)
8
boundless(open, great, complete, big)
8
catholic(complete, full, general, thorough)
8
complete(total, big, common, full)
8
immeasurable(great, big, huge, vast)
8
prevalent(big, common, large, grand)
8
prodigious(strong, great, fancy, big)
8
substantial(great, big, significant, large)
7
far-ranging(spread, large, thick, specific)
7
major(big, substantial, large, grand)
6
elephantine(large, huge, vast, massive)
6
encompassing
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APASmart Define. (2016). extensive thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/extensive/thesaurus/synonyms
ChicagoSmart Define. 2016. "extensive thesaurus" https://smartdefine.org/extensive/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, extensive thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/extensive/thesaurus/synonyms>.
MLASmart Define. "extensive thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/extensive/thesaurus/synonyms>