mellow

adjective

• 1(especially of a sound, flavour, or colour) pleasantly smooth or soft; free from harshness:she was hypnotized by the mellow tone of his voice slow cooking gives the dish a sweet, mellow flavour
• (of wine) well-matured and smooth:a mellow, richly flavoured Shiraz
• archaic (of fruit) ripe, sweet, and juicy: one dish of mellow apples

• 2(of a person’s character) tempered by maturity or experience:a more mellow personality
• relaxed and good-humoured:Jean-Claude was feeling mellow

• 3 informal relaxed and cheerful through being slightly drunk:everybody got very mellow and slept well

• 4(of earth) rich and loamy: to most farmers, soil has good tilth when it is mellow and granular and crumbles easily in the hand

verb

• make or become mellow: [with object]:even a warm sun could not mellow the North Sea breeze [no object]:fuller-flavoured whiskies mellow with wood maturation
• [no object] (mellow out) informal relax and enjoy oneself:I need to mellow out, I need to calm down