An onomatopoeic word expressing a sudden sagging, collapse, or loss of strength/energy (also written ガクッ, カクン). Used for physical drooping or emotional slump.
試験の結果を見て、肩がガクリと落ちた。
Seeing the exam results, his shoulders sagged.
彼は疲れていて、椅子に座るとガクッと首を倒した。
He was tired and when he sat down he let his head drop with a thud.
期待が外れて、心がカクンと沈んだ。
When his expectations were disappointed, his spirits sank suddenly.
株価の発表で市場がガクリと下がった。
After the announcement, the market dropped sharply.