mellow

When something becomes mellow, it gets softer or more relaxed. People are often said to mellow with age, meaning their aggressiveness, their sarcasm, and their short temper have given way to a more easygoing, genial manner.

Wine and other foods mellow just like people, and can be described as "having mellowed" when they reach a full and pleasing flavor, without sharpness. The laid-back quality of jazz pieces like John Coltrane’s “My Favorite Things” is often described as mellow. Sometimes the musicians who play them are mellow too. When people are slightly and pleasantly intoxicated, they often claim to be feeling mellow, having attained a relaxed and agreeable state without even having to grow old.

Definitions of mellow
1

adj having a full and pleasing flavor through proper aging

“a mellow port”
Synonyms:
mellowed
mature, ripe
fully developed or matured and ready to be eaten or used

adj unhurried and relaxed

“a mellow conversation”
Synonyms:
laid-back
relaxed
without strain or anxiety

adj slightly and pleasantly intoxicated from alcohol or a drug (especially marijuana)

Synonyms:
high
drunk, inebriated, intoxicated
stupefied or excited by a chemical substance (especially alcohol)

adj having attained to kindliness or gentleness through age and experience

mellow wisdom”
“the peace of mellow age”
Synonyms:
mellowed
mature
characteristic of maturity

adj having attained to kindliness or gentleness through age and experience

mellow wisdom”
“the peace of mellow age”
Synonyms:
soft
compassionate and kind; conciliatory

v soften, make mellow

“Age and experience mellowed him over the years”
Synonyms:
mellow out, melt
become more relaxed, easygoing, or genial
Type of:
soften
make soft or softer

v become more relaxed, easygoing, or genial

“With age, he mellowed
Synonyms:
mellow out, melt
Type of:
change
undergo a change; become different in essence; losing one's or its original nature

v make or grow (more) mellow

“These apples need to mellow a bit more”
“The sun mellowed the fruit”
Type of:
soften
become soft or softer

adv (obsolete) in a mellow manner

Synonyms:
mellowly

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