mid-life crisis

• midlife crisis

mid-life crisis (plural mid-life crises)

1. (psychology) An emotional period of doubt and anxiety sometimes experienced by people who realize that their life is already half over.
   • 1978, Daniel J. Levinson, The Seasons of a Man's Life‎, Ballantine Books, →ISBN, page 26:

     Though we prefer the word "transition" in naming this period, our view of it owes much to his. The Mid-life Transition may be rather mild. When it involves considerable turmoil and disruption, we speak of a mid-life crisis.

• quarter-life crisis
• existential crisis