()()

おちこむ
verb (godan)
to feel down, to decline
自動詞 intransitiveemotion
Conjugation
AffirmativeNegative
Present()()()()まない
Present polite()()みます()()みません
Past()()んだ()()まなかった
Past polite()()みました()()みませんでした
て form()()んで()()まなくて
ている present()()んでいる()()んでいない
ている polite()()んでいます()()んでいません
ている past()()んでいた()()んでいなかった
ている past polite()()んでいました()()んでいませんでした
Conditional ば()()めば()()まなければ
Conditional たら()()んだら()()まなかったら
Volitional()()もう
Volitional polite()()みましょう
Potential()()める()()めない
Passive()()まれる()()まれない
Causative()()ませる()()ませない
Imperative()()()()むな
1. to feel down, to be depressed
To become sad, dejected, or emotionally low.
試験(しけん)()ちて()()んでいる
I'm feeling down because I failed the exam.
そんな()()まないで。
Don't be so down.
失恋(しつれん)して()()んでいる
I'm depressed after being rejected.
(なに)あった()()んでる
What happened? You seem down.
There's no need to feel down about failing.
彼女(かのじょ)まだ()()んでいる
She's still feeling down.
2. to fall into, to sink into
To drop or sink into something.
ボール(あな)()()んだ。
The ball fell into the hole.
(くるま)(みぞ)()()んだ。
The car sank into a ditch.
地盤(じばん)()()んでいる
The ground is subsiding.
Part of the road caved in from the heavy rain.
The ground around the area seems to be gradually sinking due to the construction.
3. to decline, to slump
For business, economy, etc. to decline.
()()()()んでいる
Sales are declining.
景気(けいき)()()んでいる
The economy is in a slump.
株価(かぶか)(おお)きく()()んだ。
Stock prices dropped significantly.
成績(せいせき)()()んでいる
My grades are declining.
視聴率(しちょうりつ)()()んだ。
Viewership ratings dropped.
需要(じゅよう)()()んでいる
Demand is declining.

()()む is a compound godan verb formed from ()ちる (to fall) + () (into).

Transitivity

ASPECT (ている):
()()んでいる describes an ongoing state of being depressed or a continuing decline.

Common patterns

Usage

Most commonly used for emotional state (sense 1) in daily conversation. For physical falling, ()ちる alone is more common.