83 entries under significant topic. ×

15
extensive(adjective, open, great, complete, spread)
9
important(adjective, severe, substantial, valuable)
5
deep(adjective, open, great, tough, severe)
3
momentous(adjective, severe, important, substantial)
2
epochal(important, historic)
2
grave(adjective, tough, severe, big, important)
2
great(adjective, intense, big, deep)
2
meaningful(adjective, tough, severe, big, important)
1
big(important, substantial, large, grand)
1
chips are down(expression, idiom, important, historic)
1
consequential(adjective, important, historic)
1
considerable(big, important, substantial, large)
1
critical(big, important, substantial, valuable)
1
crucial(severe, big, important, substantial)
1
decisive(big, important, substantial, valuable)
1
determining(big, substantial, valuable, vital)
1
earnest(big, substantial, valuable, vital)
1
essential(big, substantial, valuable, vital)
1
eventful(important, historic)
1
exigent(big, substantial, valuable, vital)
11 years ago|6k views|share |citing 
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>