1. (

• imperative_mood ,
• imperative ,
• jussive_mood ,
• imperative_form

) a mood that expresses an intention to influence the listener's behavior ;

2. (

• imperative

) some duty that is essential and urgent ;

1. (

• imperative

) requiring attention or action; "as nuclear weapons proliferate, preventing war becomes imperative"; "requests that grew more and more imperative" ;

2. (

• imperative

) relating to verbs in the imperative mood ;