Synonyms|808Antonyms|181|Broader|12Narrower|6Related|385

41 entries under primary topic. ×

20
important(adjective, significant, original, essential, critical)
18
cardinal(noun, adjective, lead, important, head)
16
fundamental(adjective, important, significant, original, essential)
16
essential(adjective, important, significant, original, basic)
16
chief(adjective, lead, important, head, significant)
15
main(adjective, lead, important, head, significant)
15
prime(adjective, lead, important, head, significant)
14
principal(adjective, lead, important, head, significant)
11
foremost(adjective, lead, head, significant, master)
11
primal(adjective, lead, head, master, boss)
10
leading(adjective, top, important, head, essential)
10
paramount(adjective, important, significant, original, essential)
9
basic(adjective, important, significant, original, essential)
9
vital(adjective, important, significant, original, essential)
8
capital(noun, adjective, lead, head, master)
7
dominant(adjective, top, head, essential, prime)
7
major(adjective, lead, important, head, significant)
5
outstanding(adjective, head, essential, core, key)
5
predominant(adjective, head, essential, core, key)
4
first(adjective, top, important, significant, original)
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HarvardSmart Define 2015, central thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/central/thesaurus/synonyms>.
MLASmart Define. "central thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/central/thesaurus/synonyms>