warfare

noun
C1+
1
C1+
the activity of fighting a war, especially using particular weapons or methods
جنگ, نبرد, پیکار, کارزار, عملیات جنگی, رزم, تقابل نظامی
see also biological warfare, chemical warfare, germ warfare
2
C1+
the activity of competing in an aggressive way with another group, company, etc.
مبارزه, درگیری, تنازع, کشاکش
gang warfare
The debate soon degenerated into open warfare.
warfare between gangs
see also class warfare, psychological warfare