Acrimonious, dangerous, and cancerous are another word for malignant. Benevolent and benign are the opposites of malignant. On this page, find 34 synonyms for malignant, parts of speech, and examples of malignant sentences.
Malignant synonyms
Malignant refers to something very dangerous or harmful, especially describing a tumor that is cancerous, invasive, and likely to spread, causing serious health issues or death.
Acrimonious
Baleful
Cancerous
Cruel
Dangerous
Deadly
Evil-intentioned
Fatal
Full of hate
Harmful
Hostile
Incurable
Infectious
Invasive
Lethal
Life-threatening
Malevolent
Malicious
Malign
Nasty
Non-benign
Pernicious
Poisonous
Poisonous
Rancorous
Spiteful
Splenetic
Terminal
Uncontrollable
Venomous
Vicious
Virulent
Metastatic
Malignant sentences
The tumor was confirmed as malignant cancer.
Her malignant intentions became clear to everyone.
Malignant cells spread quickly through his body.
They fought against the malignant disease bravely.
Malignant tumors require aggressive medical treatment.