Respuesta :

the meaning of using blunt in a sentence is that someone that speaks in a direct,often rude way or something with a dull edge or point

 Uncompromisingly forthright: Flat, straight, abrupt, plain-spoken, forthright (adj) ex: "He was as blunt as a kick in the shin" 
  
Dull, without a sharp edge: Dull, worn, unsharpened (adj) ex: "He pulled out a blunt piece of wood"