How should I express this?
If I want to refer to a general concept for a kind of people like all old men. How should I express this?

Which one is right? the old or the olds; the black or the blacks; the tall or the talls? And, are there any other ways to say it?

Question

How should I express this?
If I want to refer to a general concept for a kind of people like all old men. How should I express this?

Which one is right? the old or the olds; the black or the blacks; the tall or the talls? And, are there any other ways to say it?

Answer

The "old" would be correct but saying "the blacks" would work too. You can also say "the old men" or "the black people" so people know what you are talking about more