1The charity workers have been campaigning ceaselessly for human rights in the region.
2Does the company's marketing team work ceaselessly to promote their products on social media?
3The researchers have been studying the phenomenon ceaselessly, but they still have not found a solution.
4Try not to work ceaselessly without taking breaks, as this can lead to burnout.
5The activists have been protesting ceaselessly against the government's new policies, which they believe are unjust.