"growing antagonism" is correct and usable in written English.
You can use it to describe a situation in which two people or groups become increasingly hostile towards one another. For example, "The growing antagonism between the two nations eventually led to war."
It underlines a growing antagonism between the Northeast and the administration on environmental issues.
The growing antagonism of the super-wealthy toward Obama can seem mystifying, since Obama has served the rich quite well.
Several recent polls have shown a growing antagonism in Australia toward America, with many Australians expressing a higher regard for China.
Denton, and others in the press, see Thiel's reaction as a part of a growing antagonism in Silicon Valley towards media scrutiny.
But such explanations do little to counter the growing antagonism between consumers and the government, a situation that is eroding support for the government's economic policies.
His government's position earned a stinging rebuke from U.S. Defense Secretary Robert Gates in Tokyo last month, laying bare a growing antagonism between Washington and Tokyo.
Hong Kong's weekend "election" comes against a backdrop of growing cultural antagonism with mainlanders to the north who increasingly hold political, and financial, sway over the territory.
Growing socioeconomic antagonisms combined with religious tensions.
Congressional aides trying to write a bill providing drug benefits to millions of elderly people said today that their work had been stalled by growing disagreements and antagonism between the top Republican negotiators from the Senate and the House.
In a growing climate of antagonism and insecurity, the primary aim now is getting the various parties to the same table, but – for the moment – that's looking increasingly unlikely.
In a growing climate of antagonism and insecurity, the primary aim now is getting the various parties to the same table, but for the moment that's looking increasingly unlikely.
