165 entries under adjective topic. ×

17
large(open, great, big, significant)
16
ample(adverb, great, reasonable, fair)
16
substantial(great, reasonable, fair, big)
13
big(open, great, big, substantial)
13
goodly(great, big, significant, substantial)
11
extensive(open, great, big, substantial)
11
great(open, big, substantial, high)
11
hefty(great, big, substantial, large)
11
voluminous(open, great, big, substantial)
10
gargantuan
9
tidy(great, reasonable, informal, big)
9
bulky(great, big, significant, large)
9
considerable(great, big, significant, substantial)
9
good(great, fair, big, enthusiastic)
9
massive(great, big, substantial, large)
9
respectable(reasonable, big, substantial, large)
9
spacious(great, substantial, large, extensive)
8
appreciable(reasonable, significant, substantial, large)
8
estimable(significant, substantial, definite, considerable)
8
sizeable(significant, substantial, large)
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APASmart Define. (2016). sizable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/sizable/thesaurus/synonyms
ChicagoSmart Define. 2016. "sizable thesaurus" https://smartdefine.org/sizable/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, sizable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/sizable/thesaurus/synonyms>.
MLASmart Define. "sizable thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/sizable/thesaurus/synonyms>