がっかり(P);ガッカリ(P) /(vs,adv) (1) (on-mim) to be disappointed/to be dejected/to be downhearted/to be discouraged/to be disheartened/to lose heart/to feel let down/(vs,adv) (2) (on-mim) to feel exhausted/to feel drained/(P)/EntL1003170/