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

52 entries under basic topic. ×

20
important(adjective, significant, original, essential, critical)
19
primary(adjective, lead, important, head, significant)
18
cardinal(noun, adjective, lead, important, head)
16
fundamental(adjective, important, significant, original, essential)
16
essential(adjective, important, significant, original)
15
prime(adjective, lead, important, head, significant)
14
principal(adjective, lead, important, head, significant)
13
intrinsic(adjective, important, vital, private)
11
core(adjective, lead, head, master, essential)
10
paramount(adjective, important, significant, original, essential)
9
vital(adjective, important, significant, original, essential)
7
major(adjective, lead, important, head, significant)
7
significant(adjective, important, original, vital)
6
overriding(adjective, serious, prime, main)
6
radical(adjective, important, vital, main)
5
overruling(adjective, serious, essential, prime)
4
elemental(adjective, important, significant, original, essential)
4
elementary(adjective, top, important, significant, original)
4
first(adjective, top, important, significant, original)
4
indispensable(adjective, important, significant, original, serious)
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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>