mellow
/ˈmɛləʊ/adjective
Relaxed, calm, and easygoing.
Example sentences
- “My dad got a lot more mellow after he retired.”
- “It was a mellow evening of board games and tea.”
- “He's usually mellow, so his outburst surprised us.”
It also describes soft, pleasant sounds, colors, or flavors: mellow jazz, a mellow wine. 'Mellow out' is a casual way to say calm down.