blunt

adjective
1
without a sharp edge or point
کند, بی‌نوک
opposite sharp
2
very direct; saying exactly what you think without trying to be polite
رک, صریح, بی‌پرده, بی‌تعارف, بی‌ملاحظه
She has a reputation for blunt speaking.
To be blunt, your work is appalling.
verb
1
to make something weaker or less effective
تضعیف کردن, کند کردن, بی اثر کردن
2
to make a point or an edge less sharp
کند کردن