"open antagonism" is a correct and usable phrase in written English.
You can use it to refer to overt hostility or aggression that is expressed in an open or public manner. For example, “The two countries exchanged open antagonism throughout the negotiations.”.
"The games and their content become the focus of open antagonism and the subject of tremendous guilt and anxiety".
There has been, basically since Vietnam, an antagonistic relationship between the press and the military, one that ranges between a kind of ignorant indifference and an open antagonism.
The simmering distrust between Donald Trump and U.S. intelligence agencies escalated into open antagonism Saturday after the president-elect mocked a CIA report that Russian operatives had intervened in the U.S. presidential election to help him win.
Even for nominations that seemed clearly to be political rewards for early support, like Ms. Prague's and Mr. Smith's, there has so far been little open antagonism from the legislators who will have the final say on the appointment process.
MOSCOW — Against a backdrop of rising tensions between Turkey and the West, Presidents Vladimir V. Putin of Russia and Recep Tayyip Erdogan of Turkey pledged on Tuesday to repair relations after nine months of open antagonism.
However, his always fraught relations with the first prime minister, Prince Norodom Ranariddh, and the royalist FUNCINPEC party, have sunk to open antagonism, leading even to armed clashes between their followers.
Two days of high-level meetings began and ended with smiles and handshakes, a sign of how strongly both sides want to avoid open, dangerous antagonism.
When, in the nineteen-seventies, women started working at Eveleth, an iron mine in Minnesota's Mesabi Range, they were seen by both miners and management as unwelcome interlopers, and were greeted with open sexual antagonism.
At the time Daddy died, my surging independence and infatuation with boys had hacked open an antagonism between us that never existed before.
We reached out to the academic for some context for her work correcting historic blind spots, how to make sense of the open racial antagonism emanating from this White House, and how black women have been shaping America's story all along.
Implementing austerity keeps prising open new antagonisms within the governing elite, as evidenced in attempts by the prime minister, Antonis Samaras, to shut down the state broadcaster, ERT.
