Insidious disease

Related to Insidious disease: idiopathic disease
(Med.) a disease existing, without marked symptoms, but ready to become active upon some slight occasion; a disease not appearing to be as bad as it really is.

See also: Insidious

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in classic literature ?
She was from New England, and knew well the first guileful footsteps of that soft, insidious disease, which sweeps away so many of the fairest and loveliest, and, before one fibre of life seems broken, seals them irrevocably for death.
Mary Crowley Cancer Research matches our mission of raising hope and creating awareness for ovarian cancer with a quick and personal response to women facing this insidious disease."
Because this insidious disease affects so many people and raises so many questions of how best to cope, some communities are banding together in a network called Dementia Friendly America to collaborate, provide information and awareness and share resources they develop.
Prof Burns said: "Dementia is an insidious disease that develops slowly and may go unnoticed in people we see every day.
New approaches for preventing this insidious disease are imperative, including in the post-surgical setting, which can be an unsuspecting gateway to prescription pain medicine abuse and beyond.
He was changed by illegal drugs, and finally, he was changed by an insidious disease.
"I dreamt of a big beautiful family with you, to grow old with you and I hate that this insidious disease ripped our dreams away from us.
Let's hope her call for quicker diagnoses and more funding for new forms of treatment against this insidious disease on the NHS doesn't fall on deaf ears.
These additions not only add colour, but contextualize Spanish Baroque attitudes to this insidious disease.
WLBP secretary Moss Jones said: "Sheep scab is a highly insidious disease which has significant welfare implications for infected sheep.