147 entries under essential topic. ×

1
unavoidable(adjective, set, significant, basic)
1
undeniability(need, requirement, essentiality)
1
underlined(important, critical, basic, fundamental)
1
urgency(noun, want, need, certainty)
1
urgent(adjective, important, significant, critical)
1
vital part(noun, expression, need, certainty)
1
vitals(need, requirement, essentiality)
1
wish(noun, want, requirement, necessity)
0
accompaniment(noun, form, fix, pass, position)
0
attitude(noun, form, fix, pass, position)
0
category(noun, form, fix, pass, position)
0
chances(noun, form, fix, pass, position)
0
charge(noun, want, obligation, requirement)
0
coal and ice(expression, idiom, important, critical)
0
commitment(noun, want, obligation, requirement)
0
committal(noun, want, obligation, requirement)
0
deficiency(noun, want, requirement, necessity)
0
devoir(noun, want, obligation, requirement)
0
elementary(adjective, significant, basic, vital)
0
event(noun, form, fix, pass, position)
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APASmart Define. (2015). prerequisite thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/prerequisite/thesaurus/synonyms
ChicagoSmart Define. 2015. "prerequisite thesaurus" https://smartdefine.org/prerequisite/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, prerequisite thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/prerequisite/thesaurus/synonyms>.
MLASmart Define. "prerequisite thesaurus" 4 September 2015. Web. 24 September 2026. <https://smartdefine.org/prerequisite/thesaurus/synonyms>