adverb, noun, noun or participle which takes 'suru', adverb taking the 'to' particle
heartbroken; crestfallen; dejected; disappointed
Describes a sudden emotional drop, often with a physical slump. Commonly used with する or と.
不合格の知らせに、彼はがっくりと肩を落とした。
Upon hearing the news of his failure, his shoulders slumped in disappointment.
期待していただけに、結果を聞いてがっくりした。
Because I had high hopes, I felt really let down when I heard the result.
adverb, noun or participle which takes 'suru'
feeling exhausted; feeling drained
Expresses sudden physical or mental fatigue, often after effort. Used adverbially or with する.
徹夜明けで、体ががっくりと疲れていた。
After staying up all night, my body felt completely drained.
山登りの後は足ががっくりして動けなかった。
After climbing the mountain, my legs gave out and I couldn't move.