godan ~む verb / intransitive verb:

• to feel down; to feel sad; to be depressed; to be in low spirits
• to be in a slump (business, economy, etc.); to be in an unfavourable condition
• to fall into (e.g. a hole)

upper nidan verb (archaic) / intransitive verb:

• to fall down; to drop; to fall (e.g. rain); to sink (e.g. sun or moon); to fall onto (e.g. light or one's gaze) - archaism ➜ 落ちる
• to be omitted; to be missing - archaism ➜ 落ちる
• to crash; to degenerate; to degrade; to fall behind - archaism ➜ 落ちる
• to be removed (e.g. illness, possessing spirit, name on a list) - archaism ➜ 落ちる
• to fall (into someone's hands); to become someone's possession - archaism ➜ 落ちる
• to fall; to be defeated; to surrender - archaism ➜ 落ちる

godan ~る verb / intransitive verb:

• to roll; to tumble
• to fall over; to roll over
• to lie down
• to be scattered about; to be lying around
• (of a situation or outcome) to change; to turn out
• to come easily; to be common; to fall into one's hands; to grow on trees