120 entries under significant topic. ×

7
noteworthy(adjective, important, substantial, large)
7
relevant(adjective, importance, big, substantial)
6
healthy(adjective, big, substantial)
6
heavy(adjective, big, important, substantial)
6
lavish(adjective, substantial, large, generous)
6
much(adjective, adverb, substantial, large)
5
deep(adjective, important, vital, greatness)
5
heavyweight(adjective, big, heavy, important)
5
large-scale(adjective, big, substantial, large)
5
venerable(adjective, substantial, large, esteemed)
4
estimable
4
palpable(adjective, substantial)
3
bountiful(adjective, substantial, large, generous)
3
exceptional(big, substantial, valuable, vital)
3
extraordinary(adjective, strong, great, solid, big)
3
firm(adjective, substantial, large)
3
pivotal(adjective, important, historic)
3
pronounced(adjective, clear, substantial, evident)
3
signal(adjective, clear, vital, greatness)
3
solid(adjective, important, powerful, substantial)
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APASmart Define. (2016). considerable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/considerable/thesaurus/synonyms
ChicagoSmart Define. 2016. "considerable thesaurus" https://smartdefine.org/considerable/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, considerable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/considerable/thesaurus/synonyms>.
MLASmart Define. "considerable thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/considerable/thesaurus/synonyms>