na-adjective, noun
Describes a state of disarray, often used for situations, organizations, or systems that are in a confused, chaotic condition. Common in formal and written contexts.
会社の経理は乱脈を極めている。
The company's accounting is in utter chaos.
政界の乱脈ぶりが新聞で報じられた。
The disorderly state of the political world was reported in the newspaper.