98 entries under adjective topic. ×

5
pressing(important, significant, serious, essential)
4
de rigueur(expression, idiom, right, significant)
4
critical(important, essential, basic, fundamental)
4
crucial(important, significant, serious, capital)
4
important(essential, critical, vital, fundamental)
4
incumbent
4
involuntary
4
must
3
accepted
3
basic(important, significant, essential, critical)
3
compelling(important, significant, serious, essential)
3
fundamental(important, significant, capital, essential)
3
imperious(commanding, obligatory, authoritative, domineering)
3
perfect(correct, flawless, faultless, textbook)
3
standard
3
staple
3
stipulated
2
called-for
2
cardinal(important, significant, capital, essential)
2
central
10 years ago|13k views|share |citing 
APASmart Define. (2015). required thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/required/thesaurus/synonyms
ChicagoSmart Define. 2015. "required thesaurus" https://smartdefine.org/required/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, required thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/required/thesaurus/synonyms>.
MLASmart Define. "required thesaurus" 3 November 2015. Web. 23 September 2026. <https://smartdefine.org/required/thesaurus/synonyms>