50 entries under important topic. ×

5
deep(adjective, open, great, tough, severe)
3
momentous(adjective, severe, significant, substantial)
3
significant(adjective, severe, substantial, valuable)
2
epochal(significant, historic)
2
grave(adjective, tough, severe, big)
2
meaningful(adjective, tough, severe, big)
1
big(significant, substantial, large, grand)
1
chips are down(expression, idiom, significant, historic)
1
consequential(adjective, significant, historic)
1
considerable(big, significant, substantial, large)
1
critical(big, significant, substantial, valuable)
1
crucial(severe, big, significant, substantial)
1
decisive(big, significant, substantial, valuable)
1
eventful(significant, historic)
1
fateful(adjective, tough, severe, significant)
1
formidable(adjective, tough, severe, significant)
1
front-page(big, significant, substantial, valuable)
1
hard(adjective, great, tough, severe, intense)
1
heavy number(expression, significant, historic)
1
historic
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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>