Synonyms|659Antonyms|114|Broader|10Narrower|15Related|819

82 entries under vital topic. ×

1
needed(adjective, significant, essential, basic)
1
needful(adjective, significant, essential, basic)
1
of note(expression, idiom, importance, big, significant)
1
of substance(expression, big, significant, substantial, valuable)
1
perilous(adjective, heavy, significant, serious)
1
ponderous(big, heavy, significant, substantial, valuable)
1
prerequisite(adjective, significant, essential, basic)
1
quintessential(adjective, significant, essential, basic)
1
required(adjective, important, significant, serious, essential)
1
something(big, important, significant, substantial, large)
1
specified(adjective, significant, essential, basic)
1
ugly(adjective, tough, severe, heavy, important)
1
unavoidable(adjective, significant, essential, basic)
1
wanted(adjective, important, significant, serious, essential)
0
binding(adjective, significant, essential, basic)
0
bottom-line(adjective, significant, essential, basic)
0
compulsory(adjective, significant, essential, basic)
0
elementary(adjective, significant, essential, basic)
0
esteemed(significant, imperative)
0
mandatory(adjective, significant, essential, basic)
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ChicagoSmart Define. 2016. "momentous thesaurus" https://smartdefine.org/momentous/thesaurus/synonyms (accessed October 2, 2026).
HarvardSmart Define 2016, momentous thesaurus, Smart Define, viewed 2 October, 2026, <https://smartdefine.org/momentous/thesaurus/synonyms>.
MLASmart Define. "momentous thesaurus" 1 April 2016. Web. 2 October 2026. <https://smartdefine.org/momentous/thesaurus/synonyms>