injelititisEtymologyCoined in 1957 by C. Northcote Parkinson, using -itis to denote a fictional complaint, as in e.g. imaginitis. Parkinson combined the terms incompetence and jealousy into injelitence. The disease that results from this is injelititis.nounA notional disease that damages an organization, causing its employees to become frustrated, unmotivated, and/or jealously competitive.