mellow

American Heritage® Dictionary of the English Language, Fourth Edition

1. adj. Soft, sweet, juicy, and full-flavored because of ripeness: a mellow fruit.
2. adj. Suggesting softness or sweetness: "The mellow air brought in the feel of imminent autumn” ( Thomas Hardy).
3. adj. Rich and soft in quality: a mellow sound; a mellow wine.
4. adj. Having the gentleness, wisdom, or tolerance often characteristic of maturity.
5. adj. Relaxed and unhurried; easygoing: a mellow friend; a mellow conversation.
6. adj. Slang Slightly and pleasantly intoxicated.
7. adj. Slang Pleasantly high from a drug, especially from smoking marijuana.
8. adj. Moist, rich, soft, and loamy. Used of soil.
9. v. To make or become mellow.
10. mellow out Slang To become genial and pleasant; relax: "The cowboy mellowed out when they read him a sweet letter from his wife” ( Bobbie Ann Mason).

Century Dictionary and Cyclopedia

1. Soft, especially from ripeness; easily yielding to pressure: as, a mellow peach.
2. Soft and friable, as earth; loamy.
3. Soft, rich, or delicate to the touch, eye, ear, palate, etc., as color, sound, flavor, and the like.
4. Having the character or appearance of maturity; showing ripeness; of ripe age or quality; perfected; matured.
5. Softened or matured by length of years; toned down by the lapse of time; kindly disposed; good-humored; genial; jovial.
6. Rendered good-humored or genial by liquor; somewhat under the influence of liquor; half-tipsy.
7. Of sounds, soft and rich; characterized by many and well-balanced overtones. The quality is well illustrated by most of the tones of an orchestral horn when well played.
8. To ripen; bring to maturity; soften by ripeness or age; give richness, flavor, or delicacy to.
9. To soften; pulverize; make friable: as, earth is mellowed by frost.
10. To soften in character; render more perfect or more agreeable; tone or smooth down; mature; improve.
11. To become soft; be ripened, matured, or brought to perfection.
12. To soften in character; become toned down.

Wiktionary

1. adj. Soft or tender by reason of ripeness; having a tender pulp; as, a mellow apple.
2. adj. Easily worked or penetrated; not hard or rigid; as, a mellow soil.
3. adj. Not coarse, rough, or harsh; subdued, soft, rich, delicate; -- said of sound, color, flavor, style, etc.
4. adj. Well matured; softened by years; genial; jovial.
5. adj. Relaxed; calm; easygoing; laid-back.
6. adj. Warmed by liquor, slightly intoxicated; or, stoned, high.
7. n. A relaxed mood.
8. v. intransitive To become mellow.
9. v. intransitive To relax or soften.

GNU Webster's 1913

1. adj. Soft or tender by reason of ripeness; having a tender pulp.
2. adj. Easily worked or penetrated; not hard or rigid.
3. adj. Not coarse, rough, or harsh; subdued; soft; rich; delicate; -- said of sound, color, flavor, style, etc.
4. adj. Well matured; softened by years; genial; jovial.
5. adj. Warmed by liquor; slightly intoxicated.
6. v. To make mellow.
7. v. To become mellow.

WordNet 3.0

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