›used after a number like 20, 30, etc. to refer to the age of a person who is between 20 and 29, 30 and 39 yearsold, etc., or to a person who is of this age: I'd guess she's thirty-something.Most of these places are aimed at twenty-somethings.
Are you a glass-half-full person? (Everyday Idioms)
by Kate Woodford,
July 29, 2015
A reader of this blog recently asked for a post on idioms that are used in everyday English. This seemed like a reasonable request. After all, if you are going to make the effort to learn a set of English idioms, you want those idioms to be useful. The question, then, was