1. This, he said, although giving temporary surcease was the road to calamity.

2. Antonyms for Ceaselessness include cessation, close, discontinuance, discontinuity, end, ending, expiration, finish, stoppage and surcease

3. Laughter is the tonic, the relief, the surcease for pain. Charlie Chaplin 

4. No time for aught but worry and struggle. No hope of anything but the surcease of sorrow in death.