Which of the following words is closest in meaning to “Malignant”?

Malignant means harmful and evil in nature.

• Correct answer - destructive: it has the same meaning as Malignant.
• kind: gentle and caring - wrong, it does not mean the same as Malignant.
• misconduct: improper behaviour - wrong, it does not mean the same as Malignant.
• loafer: an idle person - wrong, it does not mean the same as Malignant.