noun
watching all sides; keeping an eye on every direction
Describes a vigilant, all-around watchfulness, often with a nuance of intimidation or readiness. Can be used literally or figuratively.
彼は会議中、八方睨みをきかせていた。
He kept a sharp eye on everyone during the meeting.
ボクサーはリング上で相手を八
The boxer glared at his opponent from all angles in the ring.