8
time-consuming
7
big time(adjective, importance, main, extremely significant)
7
bigwig(adjective, importance, main, extremely significant)
7
comfortable(adjective, comfort, glad, merry, rich)
7
earnest(adjective, importance, main, extremely significant)
7
fateful(adjective, importance, main, extremely significant)
7
generous(adjective, great, big, significant, substantial)
7
key(adjective, importance, main, extremely significant)
7
noteworthy(adjective, important, significant, substantial, large)
7
outstanding(adjective, importance, main, extremely significant)
7
powerful(adjective, strong, important, effective, forceful)
7
relevant(adjective, importance, big, significant, substantial)
7
vital(adjective, importance, main, extremely significant)
6
healthy(adjective, big, significant, substantial)
6
heavy(adjective, big, important, significant, substantial)
6
high
6
lavish(adjective, significant, substantial, large, generous)
6
marked(adjective, clear, importance, big, powerful)
6
massive(great, big, awkward, substantial, large)
6
much(adjective, adverb, significant, substantial, large)
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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>