1
a
of a fruit : tender and sweet because of ripeness
b
of a wine : well aged and pleasingly mild
2
a
: made gentle by age or experience
She was a tough and demanding teacher, but she became mellow in her old age.
b
: rich and full but free from garishness or stridency
the mellow tones of an old violin
c
: warmed and relaxed by or as if by liquor
After a few drinks we felt pretty mellow.
d
: pleasant, agreeable
He was in a mellow mood.
e
: laid-back
mellow background music
3
of soil : having a soft and loamy consistency
mellowly adverb
mellowness noun

mellow

2 of 2

verb

mellowed; mellowing; mellows

intransitive verb

: to become mellow
often used with out

Examples of mellow in a Sentence

Adjective The painting captures the mellow light of a summer evening. This wine is very mellow. He was in a mellow mood.
Recent Examples on the Web
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.
Adjective
And the truth is that Manson had a singing voice of knowing mellow command. Owen Gleiberman, Variety, 7 Mar. 2025 Some want a mind-expanding elixir, others a mellow seltzer. Javier Hasse, Forbes, 5 Mar. 2025
Verb
Layered and enjoyable and the years have obviously mellowed the tannins; chocolate Mars bar flavors on the finish. Tom Mullen, Forbes, 2 Mar. 2025 Hardened but mellowed since his breakout role in 2014’s Whiplash, Teller retains the everyman watchability that made John Cusack a star once upon a time. Graham Hillard, Washington Examiner - Political News and Conservative Analysis About Congress, the President, and the Federal Government, 28 Feb. 2025 See All Example Sentences for mellow

Word History

Etymology

Adjective and Verb

Middle English melowe

First Known Use

Adjective

15th century, in the meaning defined at sense 1a

Verb

1575, in the meaning defined at transitive sense

Time Traveler
The first known use of mellow was in the 15th century

Browse Nearby Words

Cite this Entry

“Mellow.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mellow. Accessed 20 Mar. 2025.

Kids Definition

mellow

1 of 2 adjective
1
a
: tender and sweet because of ripeness
mellow peaches
b
: well aged and pleasingly mild
a mellow wine
2
a
: made gentle by age or experience
developed a mellow disposition from caring for his grandchildren
b
: pleasant sense 1, agreeable
mellow sounds
c
: laid-back
a mellow personality
3
: being soft and crumbly
mellow soil
4
: being clear, full, and pure
spoke in mellow tones
mellowly adverb
mellowness noun

mellow

2 of 2 verb
: to make or become mellow
old houses, weather-beaten and mellowed by time

More from Merriam-Webster on mellow

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