Meaning of the word placid in English

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

placid

US /ˈplæs.ɪd/
UK /ˈplæs.ɪd/

Adjective

not easily upset or excited; calm and peaceful

Example:
The lake was placid and still in the early morning.
She had a placid smile on her face, despite the chaos around her.