Meaning of matter in English
1. physical substance that everything is made of, contrasted with mind or spirit; all physical substances
The universe is composed of matter.
2. that which has weight and takes up space
solid[liquid, gaseous] matter
3. a substance of a particular kind; material or stuff
organic[inorganic] matter
mineral[vegetable, animal] matter
coloring matter
4. a substance discharged from the body
fecal matter
waste matter
5. written or printed material (to be sent by post)
reading[printed, published, ...] matter
postal matter
6. an affair, topic, or situation under consideration; question
complicated financial matters
It's no laughing matter.
There is a matter I would like to discuss with you.
It's a personal matter and I don't want to discuss it with you.
7. ｟-s｠ the state of affairs; set of circumstances
Matters have improved since last year.
It will simply make matters worse.
as matters stand ー under the present circumstances
8. the reason for problems, pain, unhappiness etc.
What's the matter?
I asked him if anything was the matter?
There's nothing the matter with it.
It is no matter what happens.
It is[makes] no matter that she failed.
10. the ideas or topic of a book, speech, etc., contrasted with its language or style; the content
interesting subject matter of a speech
1. be important or significant to someone
It doesn't really matter.
It doesn't matter much.
It doesn't really matter.