mellow out
phrasal 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
As proved by Russian influencer Lena Perminova, an oversized workman-style half-sleeve pinstripe shirt is a surefire way to mellow out an ultra-short mini skirt and over-the-knee boots.
—
Freya Drohan, InStyle, 20 Jan. 2026
Adjust seasonings: Thickeners like flour, cornstarch, potatoes, or dairy can mellow out the flavors of your soup.
—Katie Rosenhouse, Southern Living, 3 Dec. 2025
While solar storms are finally starting to mellow out, the lingering effects of recent eruptions continue to swoosh through Earth’s magnetic field, presenting the possibility of another round of northern lights tonight, Nov. 13.
—Valerie Mesa, PEOPLE, 13 Nov. 2025
In smaller doses, tryptophan can improve mood and mellow out the nervous system, Brooks noted.
—Angelica Stabile, FOXNews.com, 31 Oct. 2025
Some economists also mellowed out their expectations for a rate cut at the end of the year, but not all of them.
—Rachel Barber, USA Today, 30 Oct. 2025
But beyond that, brassicas also get sweeter in cold weather, and chilly temperatures mellow out the bitter flavors that are sometimes associated with these plants.
—Lauren Landers, Better Homes & Gardens, 29 Oct. 2025
Apatow has, over time, mellowed out.
—Adrienne Lafrance, The Atlantic, 15 Sep. 2025
Things mellow out a bit Sunday for the Dolphins home opener and into the start of the workweek.
—Howard Cohen, Miami Herald, 12 Sep. 2025
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Freya Drohan, InStyle, 20 Jan. 2026
Adjust seasonings: Thickeners like flour, cornstarch, potatoes, or dairy can mellow out the flavors of your soup.
—Katie Rosenhouse, Southern Living, 3 Dec. 2025
While solar storms are finally starting to mellow out, the lingering effects of recent eruptions continue to swoosh through Earth’s magnetic field, presenting the possibility of another round of northern lights tonight, Nov. 13.
—Valerie Mesa, PEOPLE, 13 Nov. 2025
In smaller doses, tryptophan can improve mood and mellow out the nervous system, Brooks noted.
—Angelica Stabile, FOXNews.com, 31 Oct. 2025
Some economists also mellowed out their expectations for a rate cut at the end of the year, but not all of them.
—Rachel Barber, USA Today, 30 Oct. 2025
But beyond that, brassicas also get sweeter in cold weather, and chilly temperatures mellow out the bitter flavors that are sometimes associated with these plants.
—Lauren Landers, Better Homes & Gardens, 29 Oct. 2025
Apatow has, over time, mellowed out.
—Adrienne Lafrance, The Atlantic, 15 Sep. 2025
Things mellow out a bit Sunday for the Dolphins home opener and into the start of the workweek.
—Howard Cohen, Miami Herald, 12 Sep. 2025
Cite this Entry
“Mellow out.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mellow%20out. Accessed 27 Jan. 2026.
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