54 entries under expression topic. ×

4
imperative mood(noun, idiom)
3
clothed with authority(idiom, government)
3
ex officio(idiom, government)
3
jussive mood(noun, idiom)
3
of the essence(adjective, idiom, important, essential)
2
bounden duty(idiom, duty)
2
de rigueur(adjective, significant, essential, basic)
2
life or death(important, need, serious, essential)
2
no alternative(need, essential, requirement, prerequisite)
2
no choice(need, essential, requirement, prerequisite)
2
vital part(concern, demand, need, essential)
1
call of duty(idiom, duty)
1
called for(verb, phrasal verb, essential, requirement)
1
case of need
1
duties and responsibilities
1
hard and fast
1
in demand(adjective, idiom, requirement)
1
incumbent on(verb, adjective, phrasal verb, significant)
1
line of duty
1
matter of necessity
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APASmart Define. (2015). imperative thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/imperative/thesaurus/synonyms
ChicagoSmart Define. 2015. "imperative thesaurus" https://smartdefine.org/imperative/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, imperative thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/imperative/thesaurus/synonyms>.
MLASmart Define. "imperative thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/imperative/thesaurus/synonyms>