落胆(らくたん)

らくたん
noun, verb (suru)
disappointment, dejection
1. disappointment, dejection, discouragement
Loss of hope or enthusiasm; being discouraged by failure.
結果(けっか)に落胆(らくたん)した。
I was disappointed by the results.
落胆(らくたん)を隠(かく)せなかった。
I couldn't hide my disappointment.
落胆(らくたん)している場合(ばあい)ではない。
This is not the time to be dejected.

落胆(らくたん) expresses disappointment or discouragement, typically at a deeper level than casual disappointment.

WORD FORMATION:
落(らく) (fall) + 胆(たん) (courage/spirit) — literally "one's spirit falls"

COMMON PATTERNS:

  • 〜に落胆(らくたん)する: to be disappointed by ~
  • 落胆(らくたん)を隠(かく)せない: unable to hide disappointment
  • 落胆(らくたん)している場合(ばあい)ではない: no time to be dejected

REGISTER:
More formal and literary than がっかり. Common in news reports, written language, and formal speech.

SIMILAR WORDS:

  • がっかり: disappointed (casual, everyday)
  • 失望(しつぼう): disappointment (also formal)

Related Words

Synonym: がっかり (colloquial)
general
Added 2026.1.16 8:59 · Revised 2026.1.26 22:40
04500/04860_rakutan