Translation guide
Expressing disappointment in Japanese depends on the nuance: mild letdown, regret over an outcome, or feeling let down by someone. Common expressions range from casual interjections to formal apologies.
Expressing a light sense of letdown or sympathy when something doesn't go as hoped.
The most common word for 'disappointing' or 'too bad'. Used in casual and formal settings.
Expresses personal disappointment or feeling let down. Often used with する.
がっかりした。
I'm disappointed.
その知らせにがっかりした。
I was disappointed by the news.
Casual interjection expressing mild disappointment or resignation.
あーあ、雨が降ってきた。
Oh man, it started raining.
Expressing that someone's actions or words have disappointed you personally.
To disappoint someone. Often used in the passive form がっかりさせられる.
彼は私をがっかりさせた。
He disappointed me.
あなたにはがっかりしたよ。
I'm disappointed in you.
Literally 'expectation-miss'. Describes something or someone that didn't meet expectations.
彼の演技は期待外れだった。
His performance was disappointing.
Formal word for 'to be disappointed'. Stronger and more serious than がっかり.
彼の行動に失望した。
I was disappointed by his behavior.
Expressing disappointment about a result or situation, often with a sense of regret.
Feeling frustrated and disappointed, often when you could have done better. Common in sports or personal failures.
Adverbial phrase meaning 'unfortunately' or 'regrettably'. Used to express disappointment politely.
残念ながら、参加できません。
Unfortunately, I cannot attend.
がっかり is casual and expresses personal letdown. 失望 is formal and implies a deeper, more serious disappointment, often with a sense of disillusionment.
映画がつまらなくてがっかりした。
I was disappointed because the movie was boring.
政府の対応に失望した。
I was disillusioned by the government's response.
失望 is quite strong and can sound overly dramatic in everyday situations. Stick to がっかり or 残念 for minor disappointments.