Last Updated：2025/11/19

The duration of the life of someone or something. / (informal, hyperbolic) A long period of time.

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lifetime

Source Word

lifetime

IPA(Pronunciation)

excessive informal

The duration of the life of someone or something. / (informal, hyperbolic) A long period of time.

Japanese Meaning

生涯・一生：その人や物の寿命全体の期間 / （比喩的に）長い時間、非常に長い期間

Her commitment to wildlife conservation shaped her actions for a lifetime.

野生動物保護への彼女の献身は、彼女の行動を一生にわたって形作った。

Sense（1）

The duration of the life of someone or something.

a project that will take many human lifetimes to complete

Sense（2）

(informal, hyperbolic) A long period of time.

I've been waiting a lifetime for a train.

lifetimes

（ plural ）