61 entries under adjective topic. ×

1
prerequisite(significant, essential, basic, vital)
1
pressing(significant, essential, basic, vital)
1
quintessential(significant, essential, basic, vital)
1
required(significant, essential, basic, vital)
1
requisite(significant, essential, basic, vital)
1
specified(significant, essential, basic, vital)
1
unavoidable(significant, essential, basic, vital)
1
urgent(significant, essential, basic, vital)
1
wanted(significant, essential, basic, vital)
0
basic(significant, essential, vital, fundamental)
0
bounden(necessary, required, obligatory, conclusive)
0
cardinal(significant, essential, basic, vital)
0
compliant(obedient, conscientious, well-behaved)
0
conclusive(necessary, required, obligatory)
0
conscientious(obedient, well-behaved)
0
counted upon(expression, necessary, required, obligatory)
0
crucial(significant, essential, basic, vital)
0
deferential(obedient, conscientious, well-behaved)
0
devoted(obedient, conscientious, well-behaved)
0
docile(obedient, conscientious, well-behaved)
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APASmart Define. (2015). incumbent on thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/incumbent_on/thesaurus/synonyms
ChicagoSmart Define. 2015. "incumbent on thesaurus" https://smartdefine.org/incumbent_on/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, incumbent on thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/incumbent_on/thesaurus/synonyms>.
MLASmart Define. "incumbent on thesaurus" 8 May 2015. Web. 29 September 2026. <https://smartdefine.org/incumbent_on/thesaurus/synonyms>