lethal

adjective
C1+
1
C1+
causing or able to cause death
کشنده, مهلک, مرگبار, مرگ‌آور
synonym deadly, fatal
2
C1+
causing or able to cause a lot of harm or damage
مرگبار, کشنده, مهلک
You and that car—it's a lethal combination!
The group claims that a lethal cocktail of pollutants is being poured into Scotland's rivers and estuaries.