To be of importance; to matter.
To carry out an action, the result of which is a significant change, or an altered circumstance.
To be required; to be necessary.
To be obliged or required (to do something).
To want strongly; to feel that one must have something.
To have an absolute requirement for.
Lack of means of subsistence; poverty; indigence; destitution.
A requirement for something; something needed.