Synonyms|285Antonyms|76|Broader|4Narrower|0Related|306

80 entries under important topic. ×

1
name-of-the-game(essential, critical, basic, fundamental)
1
nitty-gritty(adjective, original, essential, critical)
1
original(characteristic, significant, essential, basic)
1
prime(adjective, significant, original, serious)
1
primitive(adjective, significant, original, essential)
1
primordial(significant, original, basic, vital)
1
quintessential(adjective, significant, essential, basic)
1
radical(adjective, significant, original, essential)
1
rudimentary(significant, original, basic, vital)
1
structural(significant, original, basic, vital)
1
substratal(adjective, significant, original, essential)
1
substrative(significant, original, basic, vital)
1
supporting(significant, original, basic, vital)
1
sustaining(significant, original, basic, vital)
1
theoretical(significant, original, basic, vital)
1
underived(significant, original, basic, vital)
1
underlined(essential, critical, basic, fundamental)
0
bottom line(expression, significant, essential, basic)
0
coal and ice(expression, idiom, essential, critical)
0
name of the game(expression, idiom, essential, critical)
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APASmart Define. (2015). indispensable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/indispensable/thesaurus/synonyms
ChicagoSmart Define. 2015. "indispensable thesaurus" https://smartdefine.org/indispensable/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, indispensable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/indispensable/thesaurus/synonyms>.
MLASmart Define. "indispensable thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/indispensable/thesaurus/synonyms>