lifetime—
1. the period during which a person, plant, or animal is alive:
- Bigamy—marriage with a second wife or husband during the lifetime of the first.
2. the duration of a thing or a thing’s usefulness:
- The Viking spacecraft will consist of an orbiter and a lander, each with a lifetime of many months.
3. is used to hyperbolically designate an exceedingly long time:
- I got complications, had ups and downs. I was a lifetime in that ward.
time of life—a particular period in a person’s life:
- He handles it with the delight that a new mental toy inspires in most men at a certain time of life.
See also: one’s time of life / time of one’s life.