Longman Dictionary of Contemporary English homepage

lifetime

noun
     
life‧time [countable usually singular]
1 the period of time during which someone is alive or something exists [↪ lifespan]
during/in somebody's lifetime
During her lifetime she had witnessed two world wars.
It's the sort of opportunity you see only once in a lifetime.
2

the chance/experience etc of a lifetime

the best opportunity, experience etc that you will ever have:
It was the holiday of a lifetime.
3

not in this lifetime

spoken not at all [= never]:
'Would you go out with him after he dropped you?' 'Not in this lifetime.'

Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.

Explore our topic dictionary