1.
to stop, to cease
For something ongoing to come to an end, especially natural phenomena like rain or wind.
TRANSITIVITY: 自動詞 (intransitive). Pattern: Xが止む (X stops).
ASPECT: ている indicates ongoing cessation is not applicable; the focus is on the moment of stopping.
COMMON PATTERNS:
- 雨が止む (rain stops)
- 風が止む (wind stops)
- 止まない (doesn't stop)
- 止みそう (looks like it will stop)
- 止むを得ない (unavoidable, can't be helped)
PRIMARY USAGE: Mainly used for natural phenomena (rain, wind, snow) and abstract things (pain, crying).
SET EXPRESSION: 止むを得ない (unavoidable, having no choice) is a very common fixed phrase.
CONTRAST WITH 止まる:
- 止む: natural cessation (rain stops, wind dies down)
- 止まる: stopping of movement (car stops, clock stops)