complicate
🇺🇸
/ˈkɑːmplɪkeɪt/
🇬🇧
/ˈkɒmplɪkeɪt/
to make something harder to do or understand
Adding more rules will complicate the game and make it less fun to play.
ルールを追加するとゲームが複雑になり、楽しさが減ります。