godan verb (-tsu), intransitive verb
seethe with anger; be frenzied; be menacing; be murderous
Describes a person or atmosphere charged with barely contained rage or violent intent; often used when someone's demeanor becomes threatening.
彼は殺気立った目つきで相手をにらんだ。
He glared at his opponent with murderous eyes.
会議室は殺気
The meeting room was filled with a menacing atmosphere.