Weight that accumulates around a person's midsection due to a decrease in metabolism caused by aging. Barry suddenly started dieting and exercising to prevent the middle-aged spread.
To be too old to remain in an age-based classification or receive age-based services. When you turn 26, you will age out of your parents' health insurance coverage.When these kids turn 10, they'll age out of the after-school program.
[for an adult] to grow [mentally or in years] out of certain behavior or out of a group or classification that is based on age. (Jargon.) Most of them tend to age out at about 35.
the fat area around the waist that a lot of people get as they grow older A dark blue shirt worn outside his trousers concealed the middle-aged spread.
To reach an age at which one is no longer eligible for certain special services, such as education or protection, from an authority: Unfortunately I have aged out of the special student scholarship program, so I have to pay full price for these classes.