a vaguely specified concern; several matters to attend to; it is none of your affair; things are going well
some situation or event that is thought about; he kept drifting off the topic; he had been thinking about the subject for several years; it is a matter for the police
that which has mass and occupies space; physicists study both the nature of matter and the forces which govern it'
a problem; is anything the matter?'
(used with negation) having consequence; they were friends and it was no matter who won the games'
written works (especially in books or magazines); he always took some reading matter with him on the plane'