51 entries under essential topic. ×

5
momentous(adjective, tough, severe, big, heavy)
5
obligatory(adjective, important, significant, critical)
5
required(adjective, important, significant, serious)
5
requisite(adjective, significant, basic, vital)
4
mandatory(adjective, significant, basic, vital)
3
binding(adjective, significant, basic, vital)
3
clamorous(adjective, hard, tough, firm, difficult)
2
paramount(adjective, direct, prompt, big, important)
2
prerequisite(adjective, significant, basic, vital)
1
all-important(adjective, significant, serious, basic)
1
chief(adjective, big, important, significant, substantial)
1
de rigueur(expression, adjective, significant, basic)
1
decisive(adjective, big, significant, substantial, large)
1
expedient(adjective, significant, basic, vital)
1
foremost(important, significant, vital, earnest)
1
fundamental(adjective, important, significant, critical)
1
incumbent on(expression, adjective, significant, basic)
1
name of game(expression, adjective, idiom, significant)
1
necessitous(required, needed)
1
needed(adjective, significant, basic, vital)
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APASmart Define. (2016). pressing thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/pressing/thesaurus/synonyms
ChicagoSmart Define. 2016. "pressing thesaurus" https://smartdefine.org/pressing/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, pressing thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/pressing/thesaurus/synonyms>.
MLASmart Define. "pressing thesaurus" 19 February 2016. Web. 21 September 2026. <https://smartdefine.org/pressing/thesaurus/synonyms>