noun
indoor games; indoor sports
Refers to competitive games or sports played indoors, such as table tennis, badminton, or board games.
屋内競技にはバドミントンや卓球が含まれる。
Indoor sports include badminton and table tennis.
屋外競技 means outdoor sports, the opposite of 屋内競技.
Compound of 屋内 (indoor) and 競技 (competition, game).