猖しょう獗けつ

noun, noun or participle which takes 'suru', intransitive verb

spreading; infesting; running rampant

Describes something undesirable (disease, crime, pests, etc.) spreading widely and uncontrollably. Often used in formal or written contexts. The phrase 猖獗を極める is a common collocation meaning 'to be at its height of prevalence'.

See also: 猖獗を極める (しょうけつをきわめる)

• この地ち域いきでは感かん染せん症しょうが猖しょう獗けつしている。

  Infectious diseases are running rampant in this region.