Lifetime | Mean of lifetime in English Dictionary

/ˈlaɪfˌtaɪm/

• Noun
• the time during which a person is alive
1. Four editions of the book were printed in his lifetime. [=during his life]
2. She has had a lifetime of hard work. [=she has worked hard all her life]
3. a lifetime spent traveling the world
4. I don't think it will happen in our lifetime. [=the time when we are alive]
5. She owns enough shoes to last (her) a lifetime. [=to last for the rest of her life]
6. the thrill of a lifetime [=a great thrill; the most exciting moment or event of a person's life]
7. This is the opportunity of a lifetime. = This sort of opportunity comes along once in a lifetime. [=this is a very rare opportunity]
8. He won a lifetime supply of ice cream. [=free ice cream for the rest of his life]
9. She was presented with a lifetime achievement award. [=an award for all the work she has done in her life]
10. a baseball player's lifetime batting average [=batting average measured over a baseball player's full career]
• a very long time
1. It would have taken me a lifetime to read all those books.
2. Childhood seems a lifetime ago now!
• the time during which something lasts or is useful
1. a chemical with a lifetime of only a few minutes
2. the lifetime of a planet/star/comet