失望します（しつぼうします、shitsubouしmasu）
- to be disappointed

The Japanese word 失望します means "to be disappointed," "to lose hope," or "to feel discouraged." It expresses the feeling of sadness or dissatisfaction that comes from something not meeting one's expectations, hopes, or desires. It often implies a feeling of letdown after something anticipated. The feeling can be caused by various situations, such as a failure, a broken promise, or a negative outcome. The nuance of 失望します is often related to a personal feeling of loss or sadness. The level of intensity can range from mild disappointment to profound despair.

⚫︎試験の結果に失望しました Translation: I was disappointed with the exam results. ⚫︎彼の裏切りに失望しました Translation: I was disappointed by his betrayal. ⚫︎期待していた映画がつまらなくて失望しました Translation: I was disappointed because the movie I was looking forward to was boring.

You use 失望します when you want to express your feelings of disappointment, discouragement, or loss of hope. It is a formal verb and therefore appropriate for use in professional or polite conversations. You can use it in various contexts, from personal relationships to work-related situations, whenever something does not meet your expectations. When speaking, the verb is conjugated as 失望します. You can also use past tense: 失望しました.

失望します is typically written as 失望します. * 失 means "lose" or "fail". * 望 means "hope" or "expectation". * します is the polite form of the verb "to do". The word is always written in kanji and hiragana.

⚫︎がっかりします（gakkari shimasu): to be disappointed. This is a more casual version. ⚫︎落胆します（rakutan shimasu): to be disheartened/dispirited. ⚫︎落胆する（rakutansuru): to be disheartened/dispirited (plain form). ⚫︎がっかりする（gakkarisuru): to be disappointed (plain form).

⚫︎期待します（kitai shimasu): to have expectations/to look forward to ⚫︎希望します（kibou shimasu): to hope ⚫︎満足します（manzoku shimasu): to be satisfied

一生懸命勉強しましたが、試験に落ちて失望しました。 ・Translation: I studied very hard, but I failed the exam and was disappointed. ・Explanation: This sentence demonstrates 失望しました being used to express disappointment after not achieving a desired outcome despite effort.

彼は約束を守らなかったので、私は彼に失望しました。 ・Translation: Because he didn't keep his promise, I was disappointed in him. ・Explanation: This sentence shows 失望しました being used to express disappointment due to a broken promise and feeling let down by someone.

The word 失望 is a combination of two kanji: 失 which means "to lose" or "to fail", and 望 which means "hope" or "expectation". The verb form 失望します is created by adding the verb suffix します, which means "to do". Therefore the word's meaning is derived from the "loss of hope" or "failure of expectation". The word carries the connotation of an expectation being unmet, leading to a feeling of sadness or discouragement.