imperative

imperative is an   Adverb

Definition:

[1] Expressive of command; containing positive command; authoritatively or absolutely directive; commanding; authoritative; as, imperative orders. The suit of kings are imperative. Bp. Hall.

[2] Not to be avoided or evaded; obligatory; binding; compulsory; as, an imperative duty or order.

[3] Expressive of commund, entreaty, advice, or exhortation; as, the imperative mood.

Synonyms: