life
time
Plural
lifetimes
1
the entire duration of a person's life, from birth to death, or the duration of existence of something in general
- He left a legacy that will last beyond his lifetime.
- He has dedicated his lifetime to scientific research.
- This watch is designed to last a lifetime.
- It’s a rare opportunity that only comes once in a lifetime.
- The artist’s works are expected to influence generations for a lifetime.