72 entries under imperative topic. ×

4
requisite(adjective, important, significant, essential, critical)
4
wanted(adjective, significant, essential, basic, vital)
3
chief(adjective, great, big, significant, substantial)
3
foremost(adjective, significant, vital, earnest, insistent)
3
heavy(adjective, tough, severe, informal, big)
3
mandatory(adjective, significant, essential, basic, vital)
3
needed(adjective, important, significant, essential, critical)
3
principal(adjective, great, big, significant, substantial)
2
decisive(adjective, severe, big, important, significant)
2
substantial(adjective, big, significant, valuable, vital)
1
all-important(adjective, important, significant, serious, essential)
1
basic(adjective, important, significant, essential, critical)
1
big(significant, substantial, valuable, vital)
1
big-league(significant, vital)
1
bottom-line(adjective, important, significant, essential, critical)
1
cardinal(adjective, important, significant, essential, critical)
1
central(adjective, important, significant, critical, vital)
1
coal-and-ice(important, essential, critical, basic, fundamental)
1
considerable(big, significant, substantial, valuable, vital)
1
conspicuous(significant, vital)
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APASmart Define. (2015). urgent thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/urgent/thesaurus/synonyms
ChicagoSmart Define. 2015. "urgent thesaurus" https://smartdefine.org/urgent/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, urgent thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/urgent/thesaurus/synonyms>.
MLASmart Define. "urgent thesaurus" 3 August 2015. Web. 27 September 2026. <https://smartdefine.org/urgent/thesaurus/synonyms>