Having or showing ill will; malicious:
Capable of causing disease by aggressively interfering with the immune system of the host. Used of a pathogen.
Relentlessly hostile; implacable:
Designed or tending to disprove or discredit:
Causing or capable of causing harm; injurious.
Find another word for cancerous. In this page you can discover 6 synonyms, antonyms, idiomatic expressions, and related words for cancerous, like: malignant, carcinogenic, virulent, mortal, destructive and harmful.