Meaning of the word grumpy in English

What does grumpy mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

grumpy

US /ˈɡrʌm.pi/
UK /ˈɡrʌm.pi/
"grumpy" picture

Adjective

bad-tempered and irritable

Example:
He's always grumpy in the morning before he has his coffee.
The grumpy old man complained about the noise.