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
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
The tart bitter notes of the apple are mellowed out as the jelly cooks.
—Jasmine Smith, Southern Living, 29 Aug. 2025
The bittersweet mixer mellows out some of those smoky-peaty notes and yields a cocktail that feels complex and refined.
—Amiel Stanek, Bon Appetit Magazine, 11 July 2025
In the latest version of the same report, Boston has mellowed out to position number four and a median monthly rent price of $2,860 for a one-bedroom place..
—Amelia Mularz, Architectural Digest, 28 May 2025
The 2022 vintage echoed the 2023, its fruits a little more mellowed out and giving way to more forest-y floor and earthy notes.
—Lana Bortolot, Forbes.com, 31 Mar. 2025
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
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
The tart bitter notes of the apple are mellowed out as the jelly cooks.
—Jasmine Smith, Southern Living, 29 Aug. 2025
The bittersweet mixer mellows out some of those smoky-peaty notes and yields a cocktail that feels complex and refined.
—Amiel Stanek, Bon Appetit Magazine, 11 July 2025
In the latest version of the same report, Boston has mellowed out to position number four and a median monthly rent price of $2,860 for a one-bedroom place..
—Amelia Mularz, Architectural Digest, 28 May 2025
The 2022 vintage echoed the 2023, its fruits a little more mellowed out and giving way to more forest-y floor and earthy notes.
—Lana Bortolot, Forbes.com, 31 Mar. 2025
Cite this Entry
“Mellow out.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mellow%20out. Accessed 6 Nov. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share