[at one time] {adv. phr.}
1. In the same moment; together.
* /Let's start the dance again all at one time./* /Mr. Reed's bills came all at one time and he could not pay them./
Syn.: AT THE SAME TIME(1).
2. At a certain time in the past; years ago.
* /At one time people thought that Minnesota was not a good place to live./* /At one time most school teachers were men, but today there are more women than men./