53 entries under extensive topic. ×

5
great(adjective, open, big, large, grand)
5
spread out(verb, expression, adjective, phrasal verb, clear)
4
large(adjective, open, big, grand, comfortable)
4
lingering(adjective, expanded, protracted, prolonged)
4
outstretched(adjective, open, smooth, low, level)
4
sustained(verb, adjective, spread, advanced)
4
vast(open, big, space, large, grand)
3
big(adjective, open, large, grand, comfortable)
3
boundless(open, big, space, large, grand)
3
far-reaching(adjective, open, big, large, grand)
3
roomy(open, big, space, large, grand)
2
commodious(open, big, large, grand, comfortable)
2
enduring(adjective, expanded, lingering, prolonged)
2
longish(adjective, tedious, long, vast)
2
rangy(adjective, expanded, lingering, prolonged)
2
spun out(expression, adjective, vast, expanded)
2
voluminous(open, big, large, grand, comfortable)
1
huge(open, big, large, grand, comfortable)
1
sizable(open, big, large, grand, comfortable)
1
towering(adjective, strong, extreme, high, large)
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APASmart Define. (2016). extended thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/extended/thesaurus/synonyms
ChicagoSmart Define. 2016. "extended thesaurus" https://smartdefine.org/extended/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, extended thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/extended/thesaurus/synonyms>.
MLASmart Define. "extended thesaurus" 26 February 2016. Web. 23 September 2026. <https://smartdefine.org/extended/thesaurus/synonyms>