Synonyms|665Antonyms|174|Broader|10Narrower|15Related|812

99 entries under vital topic. ×

1
far-reaching(big, significant, substantial, valuable)
1
first(adjective, important, significant, original, essential)
1
foremost(adjective, important, significant, capital, essential)
1
foundational(adjective, important, significant, original, essential)
1
front-page(big, significant, substantial, valuable)
1
grass-roots(adjective, important, significant, original, essential)
1
grave(adjective, great, big, important, significant)
1
large(big, significant, substantial, valuable)
1
leading(adjective, important, serious, capital, essential)
1
major(adjective, important, significant, original, essential)
1
marked(big, significant, substantial, valuable)
1
mattering much(expression, big, significant, substantial, valuable)
1
meaningful(adjective, big, important, significant, substantial)
1
meat-and-potatoes(adjective, important, significant, original, essential)
1
of moment(expression, big, significant, substantial, valuable)
1
of note(expression, big, significant, substantial, valuable)
1
of substance(expression, big, significant, substantial, valuable)
1
original(adjective, body, material, important, significant)
1
ponderous(big, significant, substantial, valuable)
1
primordial(adjective, important, significant, original, essential)
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HarvardSmart Define 2015, necessary thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/necessary/thesaurus/synonyms>.
MLASmart Define. "necessary thesaurus" 2 November 2015. Web. 29 September 2026. <https://smartdefine.org/necessary/thesaurus/synonyms>