Last Updated：2025/11/21

Dictionary quizzes to help you remember vocabulary

Dictionary quizzes to help you remember vocabulary

(idiomatic) Sleeping, in a deep sleep.

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fast asleep

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Source Word

fast asleep

idiomatic not-comparable

(idiomatic) Sleeping, in a deep sleep.

Japanese Meaning

ぐっすり眠っている (深い眠りの状態にある)

What is this buttons?

By the time I returned home, the baby was fast asleep in the crib.

Google Translation / DeepL Translation

私が家に戻った時、赤ちゃんはベビーベッドで熟睡していた。

Sense（1）

(idiomatic) Sleeping, in a deep sleep.

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