malignant

relating to a disease that is very serious and likely to cause death if it spreads or is not treated quickly

maligno, canceroso

• [T + obj]
• [it be adj]

Collocations malignant tumor · malignant disease

• She was diagnosed with a malignant tumor.

  Ella fue diagnosticada con un tumor maligno.

relating to someone who is very unpleasant and does bad things on purpose

malvado, perverso

• [T + obj]
• [it be adj]

Collocations malignant person · malignant influence

• He is a malignant influence on the children.

  Él es una influencia maligna para los niños.