A friendship circle refers to a group of people who are friends with one another. It's like a close-knit social circle of individuals who enjoy each other's company and support one another. Full definition
Busy work schedules and well established friendship circles can leave many lesbian singles finding it difficult to come into contact with fresh faces. (elitesingles.ie)
You can probably name dozens of successful relationships in your extended friendship circle that met through online dating — that's not a coincidence. (top10bestdatingsites.com)
This particular friendship circle is so familiar with one another that it raises the overall quality of the film. (thefilmyap.com)