lifetime ( lifetimes plural )
1 n-count A lifetime is the length of time that someone is alive.
usu sing, oft poss N
During my lifetime I haven't got around to much travelling., ...an extraordinary lifetime of achievement.
2 n-sing The lifetime of a particular thing is the period of time that it lasts.
...the lifetime of a parliament., ...a satellite's lifetime.
3 If you describe something as the chance or experience of a lifetime, you are emphasizing that it is the best or most important chance or experience that you are ever likely to have.
of a lifetime phrase n PHR (emphasis)
This could be not just the trip of a lifetime but the experience of a lifetime.
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