soft or tender by reason of ripeness; having a tender pulp; as, a mellow apple.-easily worked or penetrated; not hard or rigid; as, a mellow soil.-not coarse, rough, or harsh; subdued; soft; rich; delicate; -- said of sound, color, flavor, style, etc.-well matured; softened by years; genial; jovial.-warmed by liquor; slightly intoxicated.-to make mellow.-to become mellow; as, ripe fruit soon mellows.