Definition: The term "mi-old" refers to a person who has not yet reached their old age, indicating they are in the process of aging or may be nearing retirement age. It's used metaphorically to denote someone young but not fully matured; it signifies youthfulness but lacks maturity. This idiom is often used in religious contexts, where "mi-old" refers to a person who has not yet attained certain spiritual states (like faith or wisdom) that are commonly associated with old age.