blunt instrument
noun /ˌblʌnt ˈɪnstrəmənt/
/ˌblʌnt ˈɪnstrəmənt/
- a heavy object without a sharp edge or point, used as a weapon
- He died after being hit over the head with a blunt instrument.
- a way of doing something that is not efficient or not sensitive to people's feelings
- Low interest rates have become a blunt instrument for generating financial growth.