bluntblunt1 /blʌnt/ ●●○ adjective 1 speaking in an honest way even if it upsets people: Did you have to be so blunt?THESAURUShonest, frank, candid, direct, upfront, straight, straightforward, forthright► see thesaurus at honest2not sharp or pointed ANT sharp: a blunt knife—bluntness noun [uncountable]