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n. See middle age.

adj. Of, relating to, or characteristic of middle age: "a midlife lull when it was feared he was finished” ( Curtis Wilkie).

adj. Occurring in the middle point of one's life, about aged 40.

n. The middle period of one's life.

"BECK: I am traveling the -- I ` m traveling the country, doing what I call the midlife crisis tour, and it is amazing, when you get out of New York or -- I ` m sure it ` s the same in Los Angeles -- you get into the middle of the country or you get out of just those two cities, and everything becomes more real."

mid-life crisis   

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