1  having a thick edge or point ; not sharp

• scissors with blunt [=rounded] ends
• He was hit over the head with a blunt instrument [=an object without sharp edges or points].

2  saying or expressing something in a very direct way that may upset some people

• blunt language
• a blunt statement
• To be perfectly blunt, I find her annoying.
• He was blunt about needing more privacy.