1.
ripple, ring-shaped wave
Concentric circular waves spreading outward from a point of disturbance on a water surface.
石を投げると波紋が広がった。
Ripples spread when I threw a stone.
水面に美しい波紋ができた。
Beautiful ripples formed on the water's surface.
池に落ちた葉が小さな波紋を描いた。
A leaf that fell into the pond traced small ripples.
2.
repercussions, ripple effect
The spreading impact or consequences of an event, especially something controversial or disruptive.
その発言は大きな波紋を呼んだ。
That remark caused a big stir.
辞任のニュースが政界に波紋を広げた。
The news of the resignation sent ripples through the political world.
あの事件が社会に投げかけた波紋は今も消えていない。
The repercussions that incident cast over society have still not faded.
KANJI:
波 (wave) + 紋 (pattern). Literally "wave pattern."
USAGE:
The figurative sense (sense 2) is extremely common in news and formal writing, often in the set phrase 波紋を呼ぶ (to cause a stir/repercussions) or 波紋を広げる (to spread repercussions).
COMMON COLLOCATIONS:
- 波紋を呼ぶ: to cause a stir
- 波紋を広げる: to spread ripples/repercussions
- 波紋が広がる: ripples/repercussions spread
- 波紋を投げかける: to cause ripple effects