Translation guide
Expressing disappointment when expectations are not met.
Expressing that you feel disappointed or let down by a situation or outcome.
The most common and versatile way to say 'feel let down' or 'be disappointed'. Can be used for people, events, or results.
I felt let down because the movie was boring.
I was disappointed that he didn't come.
Literally 'expectation-miss'. Emphasizes that something didn't live up to expectations. Slightly more formal.
The new work was a letdown.
Stronger word for 'disappointed', often used for serious letdowns or disillusionment.
I was disappointed in his behavior.
Expressing that someone's actions or words have disappointed you.
Literally 'feeling betrayed'. Used when someone you trusted lets you down. Stronger than がっかり.
I feel let down by my friend.
Passive form of がっかりする, emphasizing that someone caused your disappointment.
I was let down by his attitude.
Expressing a light sense of disappointment in casual conversation.
がっかり is the everyday word for disappointment. 失望 is stronger and often implies a loss of faith or hope, used in more serious contexts.
I was disappointed with my test score.
I was disillusioned by the politician's corruption.
I was looking forward to it, but it was sold out. (I feel let down.)