godan verb (-ru), intransitive verb
rage; be fierce; be violent
Describes intense, often destructive anger or force, like a storm, fire, or a person in a fury. Can also refer to animals or natural phenomena acting violently.
嵐が猛り狂って、多くの木が倒れた。
The storm raged violently, and many trees fell.
彼は怒りに
He raged with anger and slammed the desk.
godan verb (-ru), intransitive verb
be excited; be worked up; be in high spirits
Often used for being emotionally aroused or enthusiastic, sometimes in a positive or neutral sense, but can also imply agitation. Less common than the 'rage' sense.
試合前の選手たちは猛っていた。
The players were fired up before the match.