起床する
kishō suruverb★Intermediate
formal
to rise from bed; to wake up
学生は朝7時に起床するよう指示された。
Students were instructed to get up at 7 a.m.
💡
More formal than 起きる; often used in written schedules or announcements.
Collocations
朝に起床するto get up in the morning早く起床するto get up early
Synonyms
Antonyms
Related Phrases
早起きするphrase
to get up early
夜更かしするphrase
to stay up late
💡Pro Tip
Formal vs. Casual
When writing a diary or speaking casually, use 起きる. Reserve 起床する for official documents, announcements, or when you want a polite tone.
📖Word Origin
Compound of 起 (rise) + 床 (bed) + する (to do), literally ‘to do rising from the bed’.
📝Usage Notes
Used in formal contexts such as schedules, reports, or news; everyday conversation typically prefers 起きる.
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