{i} obsessive preoccupation with the possibility of becoming ill or with imagined symptoms of an illness (Psychiatry)
If someone suffers from hypochondria, they continually worry about their health and imagine that they are ill, although there is really nothing wrong with them. when someone continuously worries that there is something wrong with their health, even when they are not ill ((plural), (which was thought to be where hypochondria came from), from , , from hypo- ( HYPO-) + chondros )