10
needing(verb, adjective, short, lacking, obliging)
7
demanding(verb, adjective, important, serious, critical)
7
necessitating(verb, adjective, obliging)
5
constraining(verb, adjective, obliging)
4
lacking(verb, adjective, short, lacking, sans)
4
wanting(verb, lacking)
3
compelling(verb, adjective)
3
obligating
3
obliging(verb, obliging)
3
requesting(verb, adjective)
2
asking
2
begging
2
claiming
2
craving
2
desiring
2
enjoining
2
exacting
2
forcing
2
mandating
2
postulating
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APASmart Define. (2015). requiring thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/requiring/thesaurus/synonyms
ChicagoSmart Define. 2015. "requiring thesaurus" https://smartdefine.org/requiring/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, requiring thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/requiring/thesaurus/synonyms>.
MLASmart Define. "requiring thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/requiring/thesaurus/synonyms>