1.
threatening attitude, angry look, fury
A fierce, intimidating manner or expression, especially when someone is angry or ready to confront.
すごい剣幕だった。
It was quite a fierce attitude.
剣幕 describes an intimidating, angry demeanor.
Common patterns
Etymology
Originally written as 権幕, referring to authority or power, the word evolved to describe an intimidating presence.
Usage
Describes the outward appearance of someone's anger or aggression, not the emotion itself.