somebody with imaginary illness: somebody who is unduly preoccupied with personal health and believes that illness is nearly always present or imminent
adjective
Definition:
1. believing in nonexistent illness: excessively preoccupied with health and persistently believing in a nonexistent illness, or relating to the attitudes or state of mind of somebody with this condition
2. anatomy of hypochondrium: relating to, involving, or typical of the hypochondrium
