悔しい

くやしい

regrettable, mortifying, vexing

JLPT N3

Character Breakdown

Meaning and Usage

悔しい expresses feelings of regret, frustration, or vexation, often when something does not go as hoped or when one feels defeated. It is a common emotional word used to describe the unpleasant feeling of wishing things had been different.

Common Contexts

This adjective is frequently used in competitive or personal failure contexts, such as losing a game, missing an opportunity, or feeling envy mixed with regret.

Collocations and Patterns

  • 悔しい思いをする: to feel regret or frustration
  • 悔しいけれど: although it’s frustrating/regrettable
  • とても悔しい: very frustrating/regrettable

Register and Nuance

悔しい is informal to neutral and can be used in everyday conversation. It conveys a strong emotional reaction but is not overly formal or literary.

Learner Tips

Don’t confuse 悔しい with 後悔する (to regret an action). 悔しい focuses more on the emotional pain or frustration of a situation, not just the intellectual recognition of a mistake. Use 悔しい when expressing a strong emotional response to failure or loss.

Example Sentences

しあいにまけてとてもくやしいです。

I’m very frustrated because I lost the match.

もっとはやくきづけばよかったとくやしいおもいをした。

I felt regretful thinking I should have noticed earlier.

かれのせいこうをみてくやしいけど、わたしもがんばろうとおもった。

Seeing his success made me feel frustrated, but it also motivated me to try harder.