godan verb (-mu), intransitive verb
feel down; be depressed; be in low spirits
Describes a person's emotional state of sadness or discouragement. Common in everyday conversation.
試験に落ちて、彼はすっかり落ち込んでいる。
He failed the exam and is completely depressed.
そんなに落ち込まないで、また頑張ろう。
Don't be so down; let's try again.
godan verb (-mu), intransitive verb
be in a slump; be in an unfavourable condition
Used for economic indicators, business performance, or abstract conditions that have worsened. Not for personal emotions.
景気が落ち込んで、売り上げが減った。
The economy is in a slump and sales have decreased.
需要の落ち込みが続いている。
The decline in demand continues.
godan verb (-mu), intransitive verb
Literal physical falling into a depression or hole. Less common than the figurative uses; often replaced by 落ちる in modern speech.
足を滑らせて溝に落ち込んだ。
I slipped and fell into the ditch.