Monday, May 8, 2017. Daily Brit Wit.
Extremely tired; worn out or damanged by overuse.
“The nurses’ station, when he glances at his watch to see two-oh-nine blinking back, is packed. The bustling motions are surprisingly soothing to his frayed nerves. He is knackered; but the sight of the nurses pushing onward, determined and merry, convinces him his switch to third shift won’t be all bad.”