cancer

noun
B2
1
B2
a serious disease in which growths of cells, also called cancers, form in the body and kill normal body cells. The disease often causes death.
سرطان
2
an evil or dangerous thing that spreads quickly
بلای خانمان‌سوز, آفت, بلا, شومی, شر, فساد
Violence is a cancer in our society.