imperative meaning
EN
[ɪmˈpɛɹ.ə.tɪv] WImperative
- Imperative can mean:
- Imperative mood, a grammatical mood (or mode) expressing commands, direct requests, and prohibitions
- Imperative programming, a programming paradigm in computer science
- Imperative logic
- In philosophy:
- Moral imperative, a philosophical concept relating to obligation
- Categorical imperative, central philosophical concept in the moral philosophy of Immanuel Kant
- Hypothetical imperative, introduced by Immanuel Kant as a commandment of reason that applies only conditionally
FR impérative 
- NounPLimperativesSUF-ative
- (uncountable, 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.
- (countable, grammar) A verb in imperative mood.
- (countable) An essential action, a must: something which is imperative.
- Visiting Berlin is an imperative.
- (uncountable, 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.
- AdjectiveCOMmore imperativeSUPmost imperative
- essential.
- It is imperative that you come here right now.
- (grammar) of, or relating to the imperative mood.
- (computing theory) Having a semantics that incorporates mutable variables.
- Expressing a command; authoritatively or absolutely directive.
- imperative orders
- essential.
- More Examples
- Used in the Middle of Sentence
- n the imperative mood, the word “you” is usually understood.
- Used in the Middle of Sentence
Definition of imperative in English Dictionary
- Part-of-Speech Hierarchy
- Adjectives
- Nouns
- Countable nouns
- Singularia tantum
- Uncountable nouns
- Uncountable nouns
- Countable nouns
- Adjectives
Source: Wiktionary
Grammatically, this word "imperative" is an adjective. It's also a noun, more specifically, a countable noun and a singularia tantum.