(grammar) The grammatical mood expressing an order (see jussive). In English, the imperative form of a verb is the same as that of the bare infinitive.
The verbs in sentences like "Do it!" and "Say what you like!" are in the imperative.
(grammar) A verb in imperative mood.
An essential action, a must: something which is imperative.
Visiting Berlin is an imperative.
Essential; crucial; extremely important.
It is imperative that you come here right now.
(grammar) Of, or relating to the imperative mood.
Having semantics that incorporates mutable variables.
Expressing a command; authoritatively or absolutely directive.
imperative orders