152 entries under significant topic. ×

2
detectable(substantial, considerable, palpable, perceptible)
2
generous(adjective, large, considerable)
2
goodly(adjective, substantial, definite, large)
2
healthy(adjective, substantial, definite, considerable)
2
heavy(adjective, strong, hard, big, important)
2
heavyweight(big, heavy, substantial, large)
2
major-league(large, considerable)
2
measurable(adjective, substantial, definite, considerable)
2
much(substantial, large)
2
necessary(adjective, big, substantial, valuable)
2
obvious(adjective, substantial, definite, considerable)
2
respectable(adjective, substantial, large)
2
signal(adjective, importance, vital, imperative)
2
sizeable(adjective, substantial, large)
2
tidy(adjective, substantial, large, considerable)
2
worthwhile(adjective, strong, solid, big, important)
1
allowable(important, related, applicable, germane)
1
applicatory(appropriate, important, suitable, useful)
1
ascertainable(substantial, definite, considerable)
1
chief(big, substantial, valuable, vital)
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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>