Synonyms|413Antonyms|112|Broader|7Narrower|11Related|520

49 entries under basic topic. ×

2
cardinal(adjective, important, significant, capital, essential)
2
chief(adjective, important, significant, serious, capital)
2
coal-and-ice(important, essential, critical, fundamental)
2
constitutive(important, capital, essential, critical)
2
decisive(adjective, important, significant, essential, critical)
2
exigent(adjective, important, significant, serious, essential)
2
integral(important, essential, critical, fundamental)
2
principal(adjective, important, significant, serious, capital)
2
unavoidable(adjective, certain, significant, essential, sure)
1
bottom-line(adjective, important, significant, essential, critical)
1
elementary(adjective, significant, essential, vital)
1
expedient(adjective, significant, essential, vital)
1
heavy(important, essential, critical, key)
1
incumbent on(expression, adjective, significant, essential)
1
key(important, essential, critical, fundamental)
1
life-or-death(adjective, important, essential, critical)
1
meat-and-potatoes(important, essential, critical, fundamental)
1
momentous(adjective, important, significant, serious, essential)
1
name(important, essential, critical, fundamental)
1
name-of-the-game(important, essential, critical, fundamental)
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HarvardSmart Define 2015, required thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/required/thesaurus/synonyms>.
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