Quick-tempered; prone to getting angry easily—short-tempered and likely to lose one's temper over small things.
彼は怒りっぽいので、冗談を言うとすぐに不機嫌になる。
He's quick-tempered, so if you joke he quickly becomes upset.
上司は怒りっぽい性格で、会議中に声を荒げることがある。
The boss has a short temper and sometimes raises his voice during meetings.
子どもが怒りっぽいときは、まず落ち着かせることが大切だ。
When a child is quick-tempered, it's important to calm them down first.