lifetime
Translation
lifetime, lifespan
Examples
It was the opportunity of a lifetime.
It was the opportunity of a lifetime.
The machine has a long lifetime.
The machine has a long lifetime.
Grammar Patterns
((a/the)) lifetime of ((sb./sth.)) the period of time that (sb./sth.) lives or exists The lifetime of this battery is short.
in ((sb.'s)) lifetime during the time that (sb.) is alive He achieved a lot in his short lifetime.
Similar Words
Synonyms: lifespan, existence, duration
Etymology
A compound of 'life' and 'time', literally meaning 'the time of one's life'.
Memory Tips
Picture a timeline stretching from birth to death – that's a lifetime.