85 entries under extensive topic. ×

11
complete(adjective, total, common, full, whole)
10
extended(adjective, open, big, large, grand)
9
voluminous(adjective, great, big, substantial, large)
7
copious(adjective, great, top, big, substantial)
7
diffuse(common, quantity, current, popular, universal)
7
generous(adjective, open, great, top, perfect)
7
great(adjective, open, big, substantial, grand)
7
thorough(adjective, complete, top, big, full)
6
far-ranging(adjective, spread, large, thick, specific)
6
radical(adjective, open, moderate, spread, large)
6
wholesale(adjective, big, common, large, grand)
5
commodious(adjective, substantial, large, huge)
5
far-flung(adjective, big, large, grand, current)
5
indiscriminate(adjective, big, large, grand, huge)
5
nonspecific(adjective, soft, common, tolerant, slack)
4
enormous(adjective, open, great, big, large)
4
hit-or-miss(adjective, chaotic, random, haphazard)
3
sizable(adjective, open, great, big, large)
3
ubiquitous(adjective, common, universal, general)
3
unlimited(adjective, great, top, total, perfect)
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APASmart Define. (2016). broad thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/broad/thesaurus/synonyms
ChicagoSmart Define. 2016. "broad thesaurus" https://smartdefine.org/broad/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, broad thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/broad/thesaurus/synonyms>.
MLASmart Define. "broad thesaurus" 31 March 2016. Web. 23 September 2026. <https://smartdefine.org/broad/thesaurus/synonyms>