mellow out

verb

mellowed out; mellowing out; mellows out

US, informal

: to become relaxed and calm

She mellowed out as she grew older.

: to calm down

You're getting all upset over nothing. You need to mellow out.

Examples of mellow out in a Sentence

Recent Examples on the Web

Ohgeesy will mellow out the lineup with his West Coast flow. — Andrea Flores, Los Angeles Times, 23 June 2026

Cooking also helps mellow out the sometimes-bitter flavor. — Karla Walsh, Better Homes & Gardens, 24 Apr. 2026

After days of whirlwind weather, Chicagoans can expect to see conditions mellow out this week — but April showers aren’t over quite yet. — Tess Kenny, Chicago Tribune, 21 Apr. 2026

Festivalgoers should expect petition endeavors aimed at mellowing out Idaho’s legal phobia about marijuana. — Michael Deeds, Idaho Statesman, 16 Apr. 2026

Rhymes for mellow out

• roundabout
• runabout
• sauerkraut
• thereabout
• turnabout
• about
• bailout
• blackout
• blowout
• breakout
• burnout
• buyout