Imperative

Imperative may refer to:
 * Imperative mood, a grammatical mood (or mode) expressing commands, direct requests, and prohibitions
 * Imperative programming, a programming paradigm in computer science
 * Imperative logic
 * Imperative (film), a 1982 German drama film

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