Feeling reluctant or regretful at parting or at the end of something; being unwilling to let go.
旅行の最終日はみんな名残惜しかった。
Everyone felt reluctant on the last day of the trip.
古い社屋を離れるのは名残惜しい気持ちがある。
I feel reluctant to leave the old company building.
卒業式で名残惜しくて友達と話し込んだ。
At the graduation ceremony I was reluctant to part and ended up talking with my friends for a long time.