noun the imperative mood; also, a verb in the imperative mood.
2. imperative ·adj expressive of commund, entreaty, advice, or exhortation; as, the imperative mood.
3. imperative ·adj not to be avoided or evaded; obligatory; binding; compulsory; as, an ·imv duty or order.
4. imperative ·adj expressive of command; containing positive command; authoritatively or absolutely directive; commanding; authoritative; as, imperative orders.