ADJ-GRADED 不能安撫的;無法平息的;毫不妥協的 If you say that someone is implacable, you mean that they have very strong feelings of hostility or disapproval which nobody can change. 不能安撫的;無法平息的;毫不妥協的
...the threat of invasion by a ruthless and implacable enemy.
殘暴無情的敵人發出的侵略威脅
The move has won the implacable opposition of many economists.