I. ˈme-(ˌ)lō adjective
Etymology: Middle English melowe
Date: 15th century
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
b. : rich and full but free from garishness or stridency
c. : warmed and relaxed by or as if by liquor
d. : pleasant , agreeable
e. : laid-back
3. of soil : having a soft and loamy consistency
• mel·low·ly adverb
• mel·low·ness noun
II. verb
Date: 1575
transitive verb
: to make mellow
intransitive verb
: to become mellow — often used with out