ˌhīpəˈkändrēə, -pōˈ- sometimes ˌhip- noun
( -s )
Etymology: New Latin, from Late Latin, plural, abdomen, belly (formerly supposed to be the seat of hypochondria), from Greek, from hypochondria, neuter plural of hypochondrios under the cartilage of the breastbone, from hypo- + -chondrios (from chondros cartilage, cartilage of the breastbone, granule, grain) — more at grind
: extreme depression of mind or spirits often centered on imaginary physical ailments
her hypochondria , her insecurity, her staunch integrity, and loneliness — Bosley Crowther
the present philosophical and political hypochondria about moral skepticism — Charles Frankel
specifically : hypochondriasis