130 entries under significant topic. ×

10
weighty(adjective, big, heavy, important)
8
important(adjective, important, famous, familiar)
8
ponderous(adjective, great, big, heavy, full)
7
healthy(adjective, big, substantial, definite)
7
lavish(adjective, great, substantial, rich)
7
major(adjective, reasonable, fair, big, important)
7
sturdy(adjective, person, body, strong, powerful)
6
bountiful(adjective, great, substantial, rich)
6
solid(adjective, person, body, strong, big)
5
sound(greatness, considerable)
5
super(adjective, great, big, outstanding)
4
astronomical
4
consequential(adjective, strong, solid, big, important)
3
appreciable(adjective, substantial, abundant, considerable)
3
chief(adjective, big, substantial, valuable)
3
greater(adjective, big, greatness, bigger)
3
material(adjective, big, important, substantial)
3
measurable(adjective, substantial, definite, size)
3
salient(adjective, big, substantial, valuable)
2
conspicuous(important, famous, familiar, vital)
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APASmart Define. (2016). large thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/large/thesaurus/synonyms
ChicagoSmart Define. 2016. "large thesaurus" https://smartdefine.org/large/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, large thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/large/thesaurus/synonyms>.
MLASmart Define. "large thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/large/thesaurus/synonyms>