Synonyms|254Antonyms|75|Broader|10Narrower|4Related|423

37 entries under significant topic. ×

1
all-important(adjective, essential, basic, vital)
1
cardinal(adjective, essential, basic, vital)
1
chief(adjective, essential, basic, vital)
1
expedient(adjective, essential, basic, vital)
1
fundamental(adjective, essential, basic, vital)
1
incumbent on(expression, adjective, essential, basic)
1
name of game(expression, adjective, idiom, essential)
1
quintessential(adjective, essential, basic, vital)
1
specified(adjective, essential, basic, vital)
1
unavoidable(adjective, set, essential, basic)
1
wanted(adjective, essential, basic, vital)
0
bottom-line(adjective, essential, basic, vital)
0
elementary(adjective, essential, basic, vital)
0
momentous(adjective, essential, basic, vital)
0
paramount(adjective, essential, basic, vital)
0
prime(adjective, essential, basic, vital)
0
principal(adjective, essential, basic, vital)
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APASmart Define. (2015). mandatory thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/mandatory/thesaurus/synonyms
ChicagoSmart Define. 2015. "mandatory thesaurus" https://smartdefine.org/mandatory/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, mandatory thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/mandatory/thesaurus/synonyms>.
MLASmart Define. "mandatory thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/mandatory/thesaurus/synonyms>