written works (especially in books or magazines)
"he always took some reading matter with him on the plane"
(used with negation) having consequence
"they were friends and it was no matter who won the games"
"is anything the matter?"
that which has mass and occupies space
"physicists study both the nature of matter and the forces which govern it"
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"
a vaguely specified concern
"several matters to attend to"
"it is none of your affair"
"things are going well"
have import, carry weight
"It does not matter much"