Part of speech:
(Engineering) A statement (in domain specific terms) which specifies a verifiable constraint on an implementation that it shall undeniably meet or (a) be deemed unacceptable, or (b) result in implementation failure, or (c) result in system failure.
A pledge or obligation, as to follow a certain course of action:
A condition of poverty or misfortune:
Should signifies something you ought to do or something that is a good idea or that something that may happen.
(Archaic) To be able to.
(Slang) Wine, or a place which serves it or other alcohol.
To form into a particular shape; give shape to:
Without which not. Something that is indispensable and upon which something else relies.
The state or fact of being in need.
To feel the need of; long for; crave
(Graphical user interface) A button on a screen used to select an action (often "menu option")
A debt or an entry in an account recording a debt:
The grade stating this requirement
Requisite is something that is necessary or required to achieve some goal or do some task.
Imperative is defined as a requirement or an order.
Find another word for must. In this page you can discover 59 synonyms, antonyms, idiomatic expressions, and related words for must, like: be compelled, have-to, necessary, be required, requirement, erato, burden, commitment, need, obligation and will.