Relating to or affected with cancer.
On Sunday at five they operated to remove the cancerous kidney.
Growing or spreading rapidly to the point of harm.
Extremely unpleasant; detestable.
I love this show, but the fanbase is so toxic and cancerous.
From Middle English cancerous, from Latin cancerōsus, from cancer (“crab; tumor, cancer”) + -ōsus (adjective-forming suffix). By surface analysis, cancer + -ous.
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