On the outside he can be a bitter adversary.

Some have been bitter adversaries for as long as anyone can remember.

Never before had the bitter adversaries dealt directly with each other.

These institutions helped bring bitter adversaries into a framework of mutual support and benefit.

India says the men are backed by its bitter adversary, Pakistan.

Ethiopia and Eritrea have been bitter adversaries since their 1998-2000 border war.

For four decades, Moscow and Washington were bitter political adversaries.

At each step of the way, old and bitter Congressional adversaries have shown a willingness to compose their differences.

He said it was a symbol of how bitter adversaries could put aside their differences in an historic bid for peace.

The two men who worked so closely together then are today bitter political adversaries.