"rising hostility" is a valid phrase and can be used in written English.
For example, you could use it in a sentence like: "In recent years, there has been a rising hostility toward politicians in the country."
Despite the rising hostility between Clinton and Sanders supporters, this is still the most likely outcome.
AMID this rising hostility toward Israel, the French philosopher and political activist Jean-Paul Sartre advocated a different way forward.
Rising hostility to the EU was reflected in the European elections, when support leapt for Eurosceptic parties.
They are undeterred and desperate to find asylum in Europe, despite the rising hostility they experience from the local population.
The populists' appeal in the European elections is based largely on rising hostility to interference by Brussels.This is an issue of democracy, not of economics.
Sadly, rising hostility in many EU members to expansion of the club has reduced Brussels's leverage against a nationalist revival in the Balkans.
But there they were, my friends, and thousands of others, spreading a saccharine message of peace at a time of rising hostilities.
In a sign of the rising hostilities directed at their industry, four of the biggest private equity firms may form a trade group to represent their interests, The Financial Times reports.
The United States has had a political alliance with the Saudi leadership that has lasted for decades, one that has become even more pivotal to Washington during the turmoil of the Arab spring and rising hostilities with Iran over that nation's nuclear program.
THE rising hostilities against Iran and its atomic complex — assassinations and cyberattacks, trade bans and oil embargoes, frozen assets and banking prohibitions, among other acts open and covert — have clearly done much to bring Tehran back to negotiations, which are to resume Monday.
Yitzhak Aharonovitch, Israel's police minister and a member of the security cabinet, said he was shuttling between consultations on how to contain the rising hostilities.
