40 entries under characteristic topic. ×

7
important(adjective, feature, importance, necessity)
6
basic(adjective, feature, basis)
6
essential(adjective, feature, importance, basis)
6
necessary(adjective, feature, basis, necessity)
6
needed(adjective, feature, necessity)
6
needful(adjective, feature, necessity)
5
first(adjective, feature, basis)
5
unavoidable(adjective, feature, necessity)
5
underlying(adjective, feature, basis)
4
critical(adjective, feature, importance)
4
elementary(adjective, feature, basis)
4
influential(adjective, feature, importance)
4
mandatory(adjective, feature, necessity)
4
prominent(adjective, feature, importance)
4
vital(adjective, feature, importance, basis)
3
compulsory(adjective, feature, necessity)
3
imperative(adjective, feature, necessity)
3
leading(adjective, feature, importance)
3
major(adjective, feature, importance)
3
principal(adjective, feature, basis)
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APASmart Define. (1970). basic necessity thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/basic_necessity/thesaurus/related
ChicagoSmart Define. 1970. "basic necessity thesaurus" https://smartdefine.org/basic_necessity/thesaurus/related (accessed September 21, 2026).
HarvardSmart Define 1970, basic necessity thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/basic_necessity/thesaurus/related>.
MLASmart Define. "basic necessity thesaurus" 1 January 1970. Web. 21 September 2026. <https://smartdefine.org/basic_necessity/thesaurus/related>