Noun: malignancy mu'lig-nun(t)-see
- (medicine) a malignant state; progressive and resistant to treatment and tending to cause death
"The patient's malignancy had spread to other organs";
- malignance
- Quality of being disposed to evil; intense ill will
"The malignancy of the dictator's regime was evident in its treatment of dissidents";
- malignity, malignance
Derived forms: malignancies
See also: malign
Type of: disease, evil, evilness, ill
Antonym: benignity
Encyclopedia: Malignancy