lifetime
/ˈlaɪf.taɪm/ noun B2- The duration of the life of someone or something. · a project that will take many human lifetimes to complete· the operational lifetime of an aircraft component
- A long period of time. · I've been waiting a lifetime for a train.
Plural lifetimes
From the library
Holmes balanced it on his knee and his eyes moved slowly and lovingly over the record of old cases, mixed with the accumulated information of a lifetime.
“It is very interesting,” he said, “but it must be very tedious for a lifetime.”
It is a matter of history—that secret history of a nation which is often so much more intimate and interesting than its public chronicles—that Oberstein, eager to complete the coup of his lifetime, came to the lure and was safely engulfed for fifteen years in a British prison.
Reynolds informed them, that it had been taken in his father’s lifetime.
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