Synonyms|702Antonyms|105|Broader|7Narrower|1Related|279

46 entries under fundamental topic. ×

3
heavy(adjective, tough, severe, informal, big)
3
mandatory(adjective, significant, essential, basic, vital)
3
needed(adjective, important, significant, essential, critical)
2
decisive(adjective, severe, big, important, significant)
1
all-important(adjective, important, significant, serious, essential)
1
basic(adjective, important, significant, essential, critical)
1
bottom-line(adjective, important, significant, essential, critical)
1
cardinal(adjective, important, significant, essential, critical)
1
central(adjective, important, significant, critical, vital)
1
coal-and-ice(important, essential, critical, basic)
1
constitutive(important, essential, critical, basic)
1
de rigueur(expression, adjective, significant, essential, basic)
1
expedient(adjective, significant, essential, basic, vital)
1
incumbent on(expression, adjective, significant, essential, basic)
1
meat-and-potatoes(important, essential, critical, basic)
1
name(important, essential, critical, decisive)
1
name-of-the-game(important, essential, critical, basic)
1
name of game(expression, adjective, idiom, significant, essential)
1
nitty-gritty(important, essential, critical, basic)
1
prerequisite(adjective, important, significant, essential, critical)
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ChicagoSmart Define. 2015. "urgent thesaurus" https://smartdefine.org/urgent/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, urgent thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/urgent/thesaurus/synonyms>.
MLASmart Define. "urgent thesaurus" 3 August 2015. Web. 29 September 2026. <https://smartdefine.org/urgent/thesaurus/synonyms>