Their intensity and numbers fluctuated in proportion to the current level of mutual hostility.

The mutual hostility was so thick in the air, she could have sliced it like bread.

By almost every measure, mutual hostility and polarization seem to be the way of the future.

The countries each proposed a number of more modest measures to reduce their mutual hostility.

The main purpose of the treaty was to prevent mutual hostility from escalating into war.

The works increased in length and in the sensation of mutual hostility.

Their mutual hostility was now out in the open.

Full diplomatic relations between the two countries were established late due to mutual hostility.

The two crews regarded each other with mutual hostility and antagonism.

In the earlier 20th century the relations were affected by periods of intense mutual hostility.