1. [ adjective ] requiring attention or action

"as nuclear weapons proliferate, preventing war becomes imperative" "requests that grew more and more imperative"

Related terms: beseeching pressing clamant commanding desperate adjuratory assertive
2. [ noun ] (grammar) a mood that expresses an intention to influence the listener's behavior
Synonyms: jussive_mood imperative_mood
Related terms: mood
3. [ adjective ] (grammar) relating to verbs in the imperative mood
Related terms: grammar imperative_mood
4. [ noun ] (sociology) some duty that is essential and urgent
Related terms: duty
Similar spelling:   imperatively