The phrase "acrimonious war" is correct and usable in written English.
It can be used to describe a conflict that is characterized by bitterness, hostility, and resentment.
Example: "The acrimonious war between the two factions left a lasting impact on the region, with deep-seated animosities persisting long after the fighting ceased."
Alternatives: "bitter conflict" or "hostile war".
But reasonableness was an early casualty in what soon became a nasty and acrimonious war.
It could develop into an extremely acrimonious war of the roses.
Blatter was careful not to get involved in an acrimonious war of words but at the same time didn't duck the issue.
But Mr. Mandela's age and fragile health have led to the increasingly acrimonious war over how he will be remembered — and what he has to pass on.
The episode would prove a revealing skirmish between the Hill and the Justice Department in an increasingly acrimonious war over the Russia investigation.
If a toxin or nerve agent is confirmed then the government will face a major international crisis and – inevitably – an acrimonious war of words with Russia.
Although Apple largely dodged the tariffs President Trump imposed on Chinese imports last month, it is still caught in the middle of the increasingly acrimonious trade war.
The world's two largest economies are holding five days of talks in their latest attempt to unravel their acrimonious trade war.
The contract with their existing buyer was just canceled, the latest casualty of an increasingly acrimonious trade war with Canada over the price of ultrafiltered milk, an ingredient in cheese.
Beyond the voter identification law, almost every aspect of the state's electoral system is now being drawn into this acrimonious political war, from the composition of local election boards and who has the power to appoint them, to rules determining the exact days, hours and operations of voting precincts.
It was the era of the feminist movement's acrimonious "sex wars," during which the anti-porn faction Andrea Dworkin, Catharine MacKinnon, Robin Morgan, Gloria Steinem battled with "pro-sex" feminists and S/M enthusiasts like Rubin, who believed they were broadening the boundaries of female power and eroticism.
