noun, noun or participle which takes 'suru', intransitive verb
turbidity; muddiness; cloudiness; opacity
Describes liquids or air becoming physically turbid, muddy, or cloudy. Often used in environmental or scientific contexts.
大雨の後、川の水が混濁した。
After the heavy rain, the river water became muddy.
この湖
This lake is so turbid that you can't see the bottom.
noun, noun or participle which takes 'suru', intransitive verb
muddled; dimmed; clouded
Metaphorical extension: thoughts, senses, or consciousness becoming unclear or confused. Often used with 意識 (consciousness) or 思考 (thinking).
疲れのせいで意識が混濁してきた。
My consciousness grew dim from exhaustion.
高熱で思考が混濁している。
My thinking is muddled due to the high fever.
noun, noun or participle which takes 'suru', intransitive verb
Rare, literary use for a state of disorder or chaos, often in social or political contexts. More commonly expressed with 混乱.
戦後、社会の混濁が長く続いた。
After the war, social chaos continued for a long time.