もういをふるう

猛威を振るう

表記・読み：猛威をふるう・猛威を奮う・猛威を振う・猛威を揮う・もういをふるう

1. 1

   to rage (of a storm, flu, etc.); to be on a rampage; to be rampant; to wreak havoc

   expressions (phrases, clauses, etc.)五段動詞（う）