The Collaborative International Dictionary
Relapsing \Re*laps"ing\, a. Marked by a relapse; falling back; tending to return to a former worse state.
Relapsing fever (Med.), an acute, epidemic, contagious fever, which prevails also endemically in Ireland, Russia, and some other regions. It is marked by one or two remissions of the fever, by articular and muscular pains, and by the presence, during the paroxism of spiral bacterium ( Spiroch[ae]te) in the blood. It is not usually fatal. Called also famine fever, and recurring fever.
Usage examples of "recurring fever".
Wade rifled through his mental snapshot index of the region, his images of dumbed-down theme park attractions, crack dens, the space shuttle, malls bursting with doodads, freeways tangled like electric cords and the nightly evening news that felt like a recurring fever dream.
She didn't think it was a recurring fever, but she remembered it was normally highest at night, so that must mean it went down during the day and then up again in the evening.
They didn't see what connection there could be between a tiny pest and a horrendous recurring fever.