The phrase "a war of extermination" is correct and usable in written English.
It can be used to describe a conflict characterized by the intent to completely destroy a particular group or population.
Example: "The historical accounts reveal that the conflict escalated into a war of extermination, with devastating consequences for the affected communities."
Alternatives: "a campaign of annihilation" or "a genocidal war".
"A war of extermination," he calls it.
The Palestinians say: "This is a war of extermination".
It's a war of extermination in every sense of the word".
The Tasmanians, the narrator notes, "were entirely swept out of existence in a war of extermination waged by European immigrants".
Today the movement criticizes efforts to conserve the bioreserve as a "war of extermination against our indigenous communities".
"You can't launch a war of extermination against a very tenacious and mobile adversary," said Col. Michel Goya of the French Military Academy's Strategic Research Institute.
Furthermore, Israel's founding document extended a hand of peace and fraternity to all of our neighbors, even while many at that moment were massing at the Jewish State's borders in a war of attempted extermination.
Now, however, Mr. Smith in his new book emphasizes Grant's dedication to racial equality, his support for black suffrage and for Lincoln's policy of admitting black soldiers into the Army, his efforts as president to crush the Ku Klux Klan and his pursuit of a peace policy in the West, under which he reversed a planned war of extermination against the Plains Indians.
A new "war of extermination" broke out against the "last vestiges of the white race at Santo Domingo" (SFHR, 111).
This Gallic conceptual breakthrough was first exploited in fiction by J.H. Rosny Aîné, whose short story Les Xipéhuz (1887) describes an evolutionary war of extermination between prehistoric humans and a menacing crystal-based life-form.
The secrets of atomic energy "came into Communist hands very shortly after discovery and an atomic war of extermination is inevitable.
