adj.
- (especially of sound, flavour, or colour) pleasantly smooth or soft.
▸archaic (of fruit) ripe, sweet, and juicy.
- (of a person's character) softened by maturity or experience.
▸relaxed and good-humoured.
- (of earth) rich and loamy.
v.
make or become mellow.
▸
(mellow out)
informal relax and enjoy oneself.
Derivative
- mellowly adv.
- mellowness n.
Etymology
ME: perh. from attributive use of OE melu, melw- (see meal2).