blunt

adjective

• 1(of a knife, pencil, etc.) having a worn-down edge or point; not sharp:a blunt knife
• having a flat or rounded end:the blunt tip of the leaf

• 2(of a person or remark) uncompromisingly forthright:he is as blunt as a kick in the shins a blunt statement of fact

noun

• a hollowed-out cigar filled with marijuana.

verb

• make or become less sharp: [with object]:wood can blunt your ax [no object]:the edge may blunt very rapidly
• [with object] weaken or reduce (something):their determination had been blunted