really important or must happen

imperative

adjective|/ɪmˈpɛr.ə.tɪv/

Absolutely necessary or urgent

Examples

In a meeting

It's imperative that we address this security vulnerability immediately.

Over coffee

It's imperative you tell her before someone else does.

Why this word

necessary

Imperative emphasizes absolute urgency and critical importance, while necessary just means required or needed

important

Imperative indicates something must be done as a matter of vital necessity, while important just means having significance

essential

Imperative stresses commanding urgency and unavoidability, while essential means fundamentally necessary without the urgency implication

Usage tip

Use to emphasize critical importance or urgency. Stronger than 'important' or 'necessary'. Can also be a noun meaning a command.

Etymology

Latin: imperare (to command) — from in- (in) + parare (prepare)

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