2. (superl.) Easily worked or penetrated; not hard or rigid; as, a mellow soil.
3. (superl.) Not coarse, rough, or harsh; subdued; soft; rich; delicate; -- said of sound, color, flavor, style, etc.
4. (superl.) Well matured; softened by years; genial; jovial.
5. (superl.) Warmed by liquor; slightly intoxicated.
6. (v. t.) To make mellow.
7. (v. i.) To become mellow; as, ripe fruit soon mellows.