Meaning of the word smug in English

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

smug

US /smʌɡ/
UK /smʌɡ/

Adjective

having or showing an excessive pride in oneself or one's achievements

Example:
He had a smug look on his face after winning the game.
Her smug attitude made her unpopular with her colleagues.