Remitless

Who, in spite of feebleness of frame, foregoes sleep, and patiently endures a course of remitless watchings of incredible length ?

"Every way considered," he confided to a friend, "there are customs and habits so interwoven with the very fibers of things as in some respects to be almost hopelessly remitless."

Joe only hoped the remitless heat wasn't driving him stir crazy.