A diversion or activity to lift one's mood or provide relaxation; something done to relieve stress or boredom.
週末は庭でガーデニングをして気晴らしをした。
I did some gardening in the yard on the weekend to cheer myself up.
映画を観るのがいい気晴らしになる。
Watching a movie makes a good diversion.
仕事の合間に散歩して気晴らしをした。
I took a walk between work and refreshed myself.
友達と話すのが一番の気晴らしだ。
Talking with friends is the best way to lift my spirits.