Meaning of the word grinch in English

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

grinch

US /ɡrɪntʃ/
UK /ɡrɪntʃ/

Noun

a person whose sour, joyless attitude spoils the fun of others

Example:
Don't be such a Grinch, it's Christmas!
He's a real Grinch when it comes to parties.