97 entries under adjective topic. ×

0
instinctive(unwilling, obligatory)
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instinctual(unwilling, obligatory)
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knee-jerk(unwilling, obligatory)
0
momentous(significant, essential, basic, vital)
0
pivotal
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prime(significant, essential, basic, vital)
0
principal(significant, essential, basic, vital)
0
restrictive
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significant(essential, basic, vital, required)
0
spontaneous(unwilling, obligatory)
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strained(affected, unnatural)
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top-priority
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uncontrolled(unwilling, obligatory)
0
unintentional(unwilling, obligatory)
-1
life-and-death
-1
life-or-death
-1
of the essence
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APASmart Define. (2015). compulsory thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/compulsory/thesaurus/synonyms
ChicagoSmart Define. 2015. "compulsory thesaurus" https://smartdefine.org/compulsory/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, compulsory thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/compulsory/thesaurus/synonyms>.
MLASmart Define. "compulsory thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/compulsory/thesaurus/synonyms>