A parting or separation; the act of saying farewell. Can refer to temporary or permanent separation.
大学の卒業式で友人との別れを惜しんだ。
At the university graduation, I regretted parting with my friends.
別れの言葉を伝えるのはいつも難しい。
It is always difficult to convey words of farewell.
彼との別れがつらくて、しばらく立ち直れなかった。
I was so upset by the parting with him that I couldn't recover for a while.