Upper-Intermediate (B2)
IPA: /ɪmˈpɛrətɪv/
KK: /ɪmˈpɛrətɪv/
Definition
Describing something that is necessary or urgent, often expressing a command or strong request.
Example
It is imperative that we finish the project by the deadline.
Conversation

I think it's imperative that we finish this project by Friday.

I agree! We should set some deadlines to stay on track.

Yeah, without a clear plan, it might get overwhelming.

Exactly, let's make a list of tasks that are urgent.
Synonyms & Antonyms
Synonyms
urgent
necessary
commanding
Antonyms
optional
insignificant
unimportant
Definition
A command or order that someone must follow, often seen as necessary or urgent.
Example
In a crisis, it is imperative that we act quickly to save lives.
Conversation

I think it's really an imperative to start saving money early in life.

Absolutely! The earlier you start, the better off you'll be later.

Yeah, it's like a rule we should all follow.
Root Explanation
Imperative → It is formed from "imperare" (meaning to command) and the suffix "-ive" (meaning having the nature of). The word "imperative" refers to something that has the nature of commanding or is essential and urgent.
Memory Tip
Think of something that is 'commanding' ('imperare') in nature — that's why we call it imperative.
Visually Confused Words
unimperative
nonimperative
temperative
inoperative
improbative
operative
iterative
impletive