blunt

Make numb or insensitive.

Make less lively, intense, or vigorous; impair in vigor, force, activity, or sensation.

“Terror blunted her feelings”

Make dull or blunt.

Make less intense.

“blunted emotions”

Make less sharp.

“blunt the knives”

Characterized by directness in manner or speech; without subtlety or evasion.

“blunt talking and straight shooting”

“a blunt New England farmer”

Devoid of any qualifications or disguise or adornment.

“the blunt truth”

Having a broad or rounded end.

“thick marks made by a blunt pencil”

Used of a knife or other blade; not sharp.

“a blunt instrument”