To make someone angry; to provoke or offend another person so that they become upset.
彼の失礼な発言が母を怒らせた。
His rude remark made my mother angry.
そんなことを言うと先生を怒らせるよ。
If you say that, you'll make the teacher angry.
顧客を怒らせないように丁寧に対応してください。
Please respond politely so as not to anger the customer.
To cause someone to show anger in their expression or behavior; to provoke an angry look, tone, or posture.
わざと大声で話して彼を怒らせた。
She spoke loudly on purpose to make him angry.
その無礼な態度が上司の顔を怒らせた。
That rude attitude caused the boss to look angry.