He declined to give details, calling it a peripheral matter.

I would like the Mercury's assistance in a peripheral matter.

International Law may thus address only peripheral matters that do not impact the states' power or autonomy.

"Do you care about criminal matters peripheral to the Janeway killing?"

So it came as no surprise to him that there were small gaps in his memory regarding matters peripheral to the speech itself.

In the same way, the choice of conductor is a peripheral matter.

Brandt's testimony began to move to more specific, though still peripheral, matters.

He's starting to be briefed in on peripheral matters, just in case he wins.

For so thorough a researcher, Barker has an uncertain instinct when it comes to important if peripheral matters like the reading habits of the day.

By 1914, all European countries used this method, and leaped at each other over a minor, peripheral matter.