が
 
っ
 
か
 
り

takes する, adverb

Onomatopoeic or mimetic word.
  1. to be disappointed, to be dejected, to be downhearted, to be discouraged, to be disheartened, to lose heart, to feel let down.
  2. to feel exhausted, to feel drained.

Variations

Pronunciation Kanji Kana Is Common
 
が
 
っ
 
か
 
り
がっかり ✔
 
ガ
 
ッ
 
カ
 
リ
ガッカリ ✔