Synonyms|773Antonyms|134|Broader|8Narrower|8Related|455

98 entries under significant topic. ×

1
big-gun(adjective, important, powerful, effective)
1
big-wheel(adjective, important, powerful, effective)
1
central(adjective, vital, major, imperative)
1
decisive(adjective, important, powerful, definite)
1
determining(vital, ruling, decisive, dominant)
1
doozie(big, important, substantial, large)
1
dynamite(big, important, substantial, large)
1
esteemed(outstanding, vital, eminent, admired)
1
exigent(vital, imperative)
1
extensive(strong, powerful, substantial, large)
1
fab(big, important, substantial, large)
1
far-reaching(vital, extensive, imperative, sweeping)
1
fat(big, important, substantial, large)
1
front-page(outstanding, vital, eminent, imperative)
1
heavy(outstanding, vital, eminent, imperative)
1
hot-dog(adjective, important, powerful, effective)
1
importunate(vital, imperative)
1
large(adjective, strong, important, powerful)
1
marked(important, powerful, substantial, large)
1
mattering much(expression, vital, imperative)
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MLASmart Define. "influential thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/influential/thesaurus/synonyms>