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

38 entries under significant topic. ×

19
required(verb, adjective, close, correct, exact)
16
essential(adjective, set, important, capital)
16
needful(adjective, set, important, capital)
15
indispensable(adjective, set, important, essential)
12
requisite(adjective, close, correct, exact, important)
11
vital(adjective, set, right, important)
11
wanted(noun, verb, adjective, important)
8
imperative(adjective, important, essential, critical)
7
mandatory(adjective, set, essential, basic)
5
compulsory(adjective, set, essential, basic)
3
compelling(adjective, essential, basic, vital)
3
crucial(adjective, important, capital, essential)
3
obligatory(adjective, essential, basic, vital)
3
urgent(adjective, important, essential, critical)
2
all-important(adjective, essential, basic, vital)
2
basic(adjective, important, essential, critical)
2
fundamental(adjective, important, capital, essential)
2
integral(adjective, important, essential, critical)
2
prerequisite(adjective, important, essential, critical)
1
binding(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>