退院します（たいいんします、taiいnshimasu）
- to be discharged

退院します (たいいんします) means "to be discharged from the hospital" or "to leave the hospital." It describes the action of a patient leaving a hospital after receiving medical treatment. It's a verb, specifically the polite form (masu-form) of the verb 退院する (たいいんする). 退院します typically indicates the speaker or someone else will be leaving the hospital.

⚫︎明日、退院します。 Translation: I will be discharged from the hospital tomorrow. ⚫︎父は来週、退院します。 Translation: My father will be discharged from the hospital next week. ⚫︎おめでとうございます！退院しますか？ Translation: Congratulations! Are you going to be discharged from the hospital?

⚫︎You use 退院します when you want to talk about leaving the hospital after receiving treatment. ⚫︎It's common to use this when you are talking about your own discharge, the discharge of a family member or friend, or asking someone about their discharge. ⚫︎It is generally used in a polite context, suitable for communicating with doctors, nurses, and people you are not very familiar with. ⚫︎If the subject is explicitly stated, it often follows the subject marker "は" (wa) or "が" (ga).

⚫︎The word is typically written in kanji and hiragana: 退院します. ⚫︎退院 is the noun and consists of two kanji: 退 (tai, meaning "retreat," "withdraw") and 院 (in, meaning "hospital," "institution"). ⚫︎します (shimasu) is the polite -masu form of the verb "to do" or "to perform." ⚫︎Variations in okurigana (suffix hiragana) are not applicable here. 退院します is the standard form. ⚫︎The plain form is 退院する (たいいんする).

There aren't many direct synonyms for 退院します. The closest might be expressions describing leaving a medical facility, but these are often more general or less specific. ⚫︎病院を出る (byouin o deru) - to leave the hospital. ⚫︎治療を終える (chiryō o oeru) - to finish the treatment.

⚫︎The opposite action would be to enter or be admitted to the hospital: ⚫︎入院します (nyuuin shimasu) - to be admitted to the hospital.

先生、私は来週の金曜日に退院します。 ・Translation: Doctor, I will be discharged from the hospital next Friday. ・Explanation: This sentence directly uses 退院します to inform the doctor about the planned discharge date.

手術の後、どれくらいで退院しますか？ ・Translation: How long after the surgery will you be discharged from the hospital? ・Explanation: This is a question asking about the time until discharge after a surgery.

The word 退院 is a compound word: ⚫︎退 (tai) comes from the Chinese character meaning "to retreat" or "to withdraw." ⚫︎院 (in) comes from the Chinese character meaning "institution" or specifically, "hospital." Therefore, 退院 literally means "to withdraw from the hospital." The verb form 退院する (ta-i-n-su-ru) is derived from this noun and means "to be discharged from the hospital." The polite form 退院します is then formed from the verb.