152 entries under significant topic. ×

1
strong(adjective, hard, solid, big, important)
1
super(big, important, substantial, large)
1
super-duper(big, important, substantial, large)
1
unreal(big, important, substantial, large)
1
urgent(adjective, big, substantial, valuable)
1
valuable(big, substantial, large, vital)
1
venerable(big, important, substantial, large)
0
astronomical(substantial, large)
0
big-deal(large, considerable)
0
bountiful(substantial, large)
0
bulky(big, heavy, substantial, large)
0
comfortable(substantial, large)
0
commodious(substantial, large)
0
distinguishable(substantial, considerable)
0
durable(large, considerable)
0
earth-shaking(important, historic)
0
estimable(substantial, definite, considerable)
0
exceptional(big, substantial, valuable, vital)
0
good-sized(substantial, definite, considerable)
0
huge(substantial, large)
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APASmart Define. (2016). material thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/material/thesaurus/synonyms
ChicagoSmart Define. 2016. "material thesaurus" https://smartdefine.org/material/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, material thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/material/thesaurus/synonyms>.
MLASmart Define. "material thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/material/thesaurus/synonyms>