1. As a grammatical term:
* Imperative refers to a verb form used to give a command, make a request, or express a strong suggestion.
* Examples: "Close the door." "Please wait here." "Go now!"
2. As an adjective:
* Imperative means something that is absolutely necessary or essential. It implies urgency and importance.
* Examples: "It is imperative that we act quickly." "The situation is imperative – we need to find a solution immediately."
In essence, "imperative" suggests a strong need for something to happen. It can be a command, a request, or simply a crucial necessity.