cancer

noun
1

A disease in which the cells of a tissue undergo uncontrolled (often rapid) proliferation.

"Sure, almost everything 'causes cancer' now. That said, I don't go hugging nuclear waste or acting like cancer itself is some conspiracy."

2

Something damaging that spreads throughout something else.

adjective
1

Extremely unpleasant and annoying.

"I used to love this game, but the new meta is straight up cancer."

Source: https://en.wiktionary.org/wiki/cancer

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