1. adjective
    having a full and pleasing flavor through proper aging; "a mellow port"; "mellowed fruit"
  2. adjective
    having or suggesting softness and richness in quality; "a mellow sound"; "the mellow air brought in the feel of imminent autumn"- Thomas Hardy; "a mellowing sun"
  3. adjective
    having attained to kindliness or gentleness through age and experience; "mellow wisdom"; "the peace of mellow age"
  4. adverb
    (obsolete) in a mellow manner
  5. adjective
    unhurried and relaxed; "an easygoing pace"; "a mellow conversation"
  6. verb
    make or grow (more) mellow; "These apples need to mellow a bit more"; "The sun mellowed the fruit"
  7. verb
    become more relaxed, easygoing, or genial; "With age, he mellowed"
  8. verb
    soften, make mellow; "Age and experience mellowed him over the years"
  9. adjective
    slightly and pleasantly intoxicated from alcohol or a drug (especially marijuana)