adj. 1.unhurried and relaxed 2.having a full and pleasing flavor through proper aging 3.having attained to kindliness or gentleness through age and experience 4.having or suggesting softness and richness in quality 5.slightly and pleasantly intoxicated from alcohol or a drug (especially marijuana) mellow adv. 1.(obsolete) in a mellow manner mellow v. 1.soften, make mellow 2.become more relaxed, easygoing, or genial 3.make or grow (more) mellow
