1
to fall into (e.g. a hole)
これが原因でたいていの街の浴場は困難な状態に陥った。
This caused most of the local bath-houses to fall on hard times.
2
to fall into (chaos, depression, dilemma, illness, etc.)
3
to fall into (a trap, etc.)
4
to fall;to surrender;to capitulate
Other forms
落ち入る 【おちいる】 (rarely used kanji form)