fibromyalgia

fi·bro·my·al·gia

noun \ˌfī-(ˌ)brō-ˌmī-ˈal-j(ē-)ə\

Definition of FIBROMYALGIA

: a chronic disorder characterized by widespread pain, tenderness, and stiffness of muscles and associated connective tissue structures that is typically accompanied by fatigue, headache, and sleep disturbances—called also fibromyalgia syndrome, fibromyositis