| mellowness | (n) kindheartedness through maturity or old age |
| mellowness | (n) a taste (especially of fruit) that is ripe and of full flavor |
| mellowness | (n) a soft shade of a color, Example: a mellowness of light and shade not attainable in marble |
| mellowness | (n) geniality, as through the effects of alcohol or marijuana |
| Mellowness | n. Quality or state of being mellow. [ 1913 Webster ] |