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Noun: malignancy  mu'lig-nun(t)-see
  1. (medicine) a malignant state; progressive and resistant to treatment and tending to cause death
    - malignance
  2. Quality of being disposed to evil; intense ill will
    - malignity, malignance

Derived forms: malignancies

See also: malign

Type of: disease, evil, evilness

Encyclopedia: Malignancy