Offensive and hostile action carried out by an enemy country's military forces, especially during a war.

An individual who is greatly disliked. / (informal) An object or concept considered very bad or harmful.

A political or class opponent of the subgroup in power within a larger group.

Two parties who have an enemy in common should join forces against it.

It is sometimes necessary to cooperate with a person one does not like or agree with, in order to combat a common threat.

Alternative form of the enemy of my enemy is my friend

Insistence on perfection often precludes the opportunity for something worthwhile. / Insistence on perfection precludes gradual improvement through compromises.

Alternative form of perfect is the enemy of good

Alternative form of perfect is the enemy of good

Alternative form of perfect is the enemy of good