쉽게 짜증을 내거나 성미가 까다로워 기분이 언짢은 상태.
Easily annoyed or angered; having a bad temper or being in a bad mood.
예문:
"The shopkeeper was grumpy because we arrived just five minutes before closing time."
"He is always grumpy in the morning until he has his first cup of coffee."
"The long flight made all the passengers feel tired and grumpy."