65 entries under adjective topic. ×

19
required(verb, close, correct, exact)
16
essential(set, important, significant, capital)
16
needful(set, important, significant, capital)
15
indispensable(set, important, significant, essential)
13
necessary(set, important, capital, essential)
12
requisite(close, correct, exact, important)
11
vital(set, right, important, significant)
11
wanted(noun, verb, important, significant)
8
imperative(important, significant, essential, critical)
7
mandatory(set, significant, essential, basic)
6
desired(verb, necessary, required, wanted)
6
demanded(verb, obliged)
5
compulsory(set, significant, essential, basic)
3
compelling(significant, essential, basic, vital)
3
critical(important, essential, basic, fundamental)
3
crucial(important, significant, capital, essential)
3
obligatory(significant, essential, basic, vital)
3
perfect(correct, flawless, faultless, textbook)
3
urgent(important, significant, essential, critical)
2
important(essential, critical, vital, fundamental)
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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>