Dictionary definition · mellow
verb
- soften, make mellow"Age and experience mellowed him over the years"
- become more relaxed, easygoing, or genial"With age, he mellowed"
- make or grow (more) mellow"These apples need to mellow a bit more"
adjective
- unhurried and relaxed"a mellow conversation"
- having a full and pleasing flavor through proper aging"a mellow port"
- softened through age or experience"mellow wisdom"
- slightly and pleasantly intoxicated from alcohol or a drug (especially marijuana)
adverb
- in a mellow manner
Source: Open English WordNet (CC BY 4.0).