life time
/ˈlaɪfˌtaɪm/
noun
- The period of time during which a person is alive.
- She traveled to many countries during her lifetime.
- A lifetime of hard work earned him a comfortable retirement.
- In his lifetime, he saw the invention of the internet.
- The duration that something exists or functions.
- The lifetime of a typical smartphone is about three years.
- The warranty covers the lifetime of the product.
- This battery has a lifetime of up to 10 years.
- A very long time (informal).
- That vacation was the trip of a lifetime.
- I haven't seen you in a lifetime!
- It felt like a lifetime waiting for the bus.