Synonyms|1.4kAntonyms|650|Broader|15Narrower|0Related|2.9k

76 entries under great topic. ×

3
heavy-duty(adjective, strong, sound, tough)
3
jumbo(big, generous, huge, good-sized)
3
lavish(adjective, significant, large, generous)
3
spacious(adjective, big, generous, huge)
3
strapping(adjective, strong, sound, tough)
2
complete(solid, vigorous, sturdy, enough)
2
crowded(adjective, close, strong, solid)
2
fat(adjective, hard, big, heavy)
2
gross(physical, material, big, awkward)
2
humongous(big, huge)
2
immeasurable(big, huge)
2
jam-packed(adjective, close, strong, solid)
2
packed(adjective, close, strong, solid)
2
plenty(generous, sufficient, plentiful, copious)
2
profuse(adjective, enthusiastic, vigorous, full)
2
super(big, important, significant, large)
1
booming(adjective, strong, big, rich)
1
commodious(adjective, calm, quiet, light)
1
comprehensive(big, generous, huge, good-sized)
1
extravagant(big, huge, enough, heaps)
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APASmart Define. (2016). substantial thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/substantial/thesaurus/synonyms
ChicagoSmart Define. 2016. "substantial thesaurus" https://smartdefine.org/substantial/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, substantial thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/substantial/thesaurus/synonyms>.
MLASmart Define. "substantial thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/substantial/thesaurus/synonyms>