42 entries under required topic. ×

1
needed(adjective, set, significant, essential, basic)
1
prerequisite(adjective, set, significant, essential, basic)
1
pressing(adjective, significant, essential, basic, vital)
1
quintessential(adjective, significant, essential, basic, vital)
1
specified(adjective, significant, essential, basic, vital)
1
urgent(adjective, strong, significant, essential, basic)
1
wanted(adjective, significant, essential, basic, vital)
0
basic(adjective, significant, essential, vital, fundamental)
0
cardinal(adjective, significant, essential, basic, vital)
0
coercive
0
compulsatory(obligatory, compulsory, mandatory)
0
crucial(adjective, significant, essential, basic, vital)
0
decisive(adjective, significant, essential, basic, vital)
0
elementary(adjective, significant, essential, basic, vital)
0
enforced(obligatory, compulsory, mandatory)
0
imperious(obligatory, compulsory, mandatory)
0
necessitous(essential, needed)
0
paramount(adjective, significant, essential, basic, vital)
0
prime(adjective, significant, essential, basic, vital)
0
principal(adjective, significant, essential, basic, vital)
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APASmart Define. (2015). unavoidable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/unavoidable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unavoidable thesaurus" https://smartdefine.org/unavoidable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, unavoidable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/unavoidable/thesaurus/synonyms>.
MLASmart Define. "unavoidable thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/unavoidable/thesaurus/synonyms>