44 entries under substantial topic. ×

15
extensive(adjective, open, great, complete, spread)
9
important(adjective, severe, significant, valuable)
3
momentous(adjective, severe, important, significant)
3
significant(adjective, severe, important, valuable)
2
all-encompassing(adjective, complete, big, thorough)
2
grave(adjective, tough, severe, big, important)
2
meaningful(adjective, tough, severe, big, important)
1
big(important, significant, large, grand)
1
considerable(big, important, significant, large)
1
critical(big, important, significant, valuable)
1
crucial(severe, big, important, significant)
1
decisive(big, important, significant, valuable)
1
determining(big, significant, valuable, vital)
1
earnest(big, significant, valuable, vital)
1
essential(big, significant, valuable, vital)
1
exigent(big, significant, valuable, vital)
1
front-page(big, important, significant, valuable)
1
heavy(severe, big, significant, valuable)
1
imperative(big, significant, valuable, vital)
1
importunate(big, significant, valuable, vital)
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APASmart Define. (2015). far-reaching thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/far-reaching/thesaurus/synonyms
ChicagoSmart Define. 2015. "far-reaching thesaurus" https://smartdefine.org/far-reaching/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, far-reaching thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/far-reaching/thesaurus/synonyms>.
MLASmart Define. "far-reaching thesaurus" 19 June 2015. Web. 25 September 2026. <https://smartdefine.org/far-reaching/thesaurus/synonyms>