peer group

a group of people who are approximately the same age and status, especially if they have the same interests

日本語の意味

同じ年齢や立場の人々が集まったグループ。 / 共通の興味や背景を持つ仲間内の集団。

Her peer group encouraged her to pursue science, which boosted her confidence.

彼女の同年代の仲間は理系を志すよう励まし、そのおかげで彼女の自信は高まった。

意味（1）

a group of people who are approximately the same age and status, especially if they have the same interests

peer groups

（ plural ）