Synonyms|390Antonyms|76|Broader|5Narrower|3Related|255

38 entries under significant topic. ×

1
bottom-line(adjective, important, essential, critical)
1
cardinal(adjective, important, capital, essential)
1
chief(adjective, important, capital, essential)
1
de rigueur(expression, adjective, idiom, essential)
1
decisive(adjective, important, essential, critical)
1
exigent(adjective, essential, basic, vital)
1
expedient(adjective, essential, basic, vital)
1
incumbent on(expression, adjective, essential, basic)
1
momentous(adjective, essential, basic, vital)
1
name of game(expression, adjective, idiom, essential)
1
pressing(adjective, essential, basic, vital)
1
principal(adjective, important, capital, essential)
1
quintessential(adjective, essential, basic, vital)
1
specified(adjective, essential, basic, vital)
1
unavoidable(adjective, set, essential, basic)
0
elementary(adjective, essential, basic, vital)
0
paramount(adjective, essential, basic, vital)
0
prime(adjective, essential, basic, vital)
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APASmart Define. (2015). needed thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/needed/thesaurus/synonyms
ChicagoSmart Define. 2015. "needed thesaurus" https://smartdefine.org/needed/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, needed thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/needed/thesaurus/synonyms>.
MLASmart Define. "needed thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/needed/thesaurus/synonyms>