Management will be entrepreneurial in a relatively small informal group.

The society started as an informal group in 2005/2006.

They also set up informal groups for students, teachers, and other school personnel.

She is saving for another trip, probably in an informal group of friends.

We agree that the G20 should remain an informal group.

"Instead, they may retreat to their informal groups to let off steam."

There is only an informal group of collaborators working to solve a problem.

The following morning there will be an opportunity to tour some of the local cultural attractions in informal groups.

In this sense, the proposed informal working group will be useful.

I welcome your start with an informal working group in the Council.