Definition of "mellow" in English

adjective

(also figuratively, of fruit) Soft or tender by reason of ripeness; having a tender pulp.
- a mellow apple
(also figuratively, of food or drink, or its flavour) Matured and smooth, and not acidic, harsh, or sharp.
(of soil) Soft and easily penetrated or worked; not hard or rigid; loamy.
Mature; of crops: ready to be harvested; ripe.
Fruitful and warm.
Not coarse, brash, harsh, or rough; delicate, rich, soft, subdued.
Senses relating to a person or their qualities.
(chiefly African-American Vernacular, slang) Pleasing in some way; excellent, fantastic, great.

noun

verb

To cause (fruit) to become soft or tender, specifically by ripening.
To cause (food or drink, for example, cheese or wine, or its flavour) to become matured and smooth, and not acidic, harsh, or sharp.
To soften (land or soil) and make it suitable for planting in.
To reduce or remove the harshness or roughness from (something); to soften, to subdue, to tone down.
To cause (a person) to become calmer, gentler, and more understanding, particularly from age or experience.
- The fervour of early feeling is tempered and mellowed by the ripeness of age.
To cause (a person) to become slightly or pleasantly drunk or intoxicated.
Followed by out: to relax (a person); in particular, to cause (a person) to become pleasantly high or stoned by taking drugs.
To mature and lose its harshness or sharpness.
To be rendered soft and suitable for planting in.
To lose harshness; to become gentler, subdued, or toned down.
To relax; in particular, to become pleasantly high or stoned by taking drugs.