165 entries under adjective topic. ×

4
mammoth
4
plentiful(great, big, significant, substantial)
4
powerful
4
prodigious
4
roomy(great, space, large, huge)
4
sensible(reasonable, substantial, large, generous)
4
significant(substantial, definite, large, considerable)
4
sound(strong, solid, big, important)
4
tall(big, high, lofty, length)
4
tremendous
4
wide(open, great, big, substantial)
3
amplitudinous
3
brawny
3
broad(open, great, big, large)
3
cavernous
3
giant(great, big, high, large)
3
grandiose(great, big, large, huge)
3
hearty(enthusiastic, vigorous, full, healthy)
3
high(big, size, lofty)
3
honorable
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APASmart Define. (2016). sizable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/sizable/thesaurus/synonyms
ChicagoSmart Define. 2016. "sizable thesaurus" https://smartdefine.org/sizable/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, sizable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/sizable/thesaurus/synonyms>.
MLASmart Define. "sizable thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/sizable/thesaurus/synonyms>