The phrase 'ceaseless campaign' is correct and can be used in written English.
It is often used to describe a sustained effort over a long period of time that is relentless and never-ending. For example: The volunteer group is dedicated to their ceaseless campaign to build homes for the homeless in the city.
Hay, 61, is perhaps best known for his ceaseless campaigning in the field of chemical warfare.
This was what was left of the luxurious tomb of Marcus Nonius Macrinus, the swaggering Roman general whose ceaseless campaigning in the 2nd century helped inspire Russell Crowe's film Gladiator.
Dame Jane Goodall will always be celebrated for her 45-year study of chimpanzee social and family life, her passion for Africa and her ceaseless campaigning for animals and the environment.
Any efforts to get gun legislation through Congress will require an enormous and ceaseless pressure campaign by the administration.
Tens of thousands of people perished in his ceaseless military campaigns, and the exactions of his tax gatherers ruined the country's economy.
▶ I suppose we can fill the gap with more recrimination and hand-wringing, but I'm ready for a little holiday from England's ceaseless World Cup campaign.
Though each single instance may be dismissed -- or excused -- as ephemeral, the collective impression of a hundred fleeting glimpses is that life in New York is now one ceaseless, unrelenting branding campaign.
During the Vietnam War, for example, Operation Rolling Thunder, which was implemented by President Lyndon Johnson and designed to be a ceaseless and relentless bombing campaign against North Vietnam, was ultimately regarded as ineffective.
Initially written off as a long shot against the NDP leader — who first took the once Liberal stronghold in 2007 and then again in 2011 with a commanding 55percentt of the vote — Bendayan has gained ground by waging a ceaseless door-to-door campaign while Mulcair has been occupied representing his party across the country.
