point blank

Short definition from Wiktionary

Adjective

1. 1
   The distance between a gun and a target such that it requires minimal effort in aiming it. In particular no allowance needs to be made for effects of gravity, target movement or wind in aiming the projectile.
2. 2
   Blunt, outright.
3. 3
   Very close; not touching but not more than a few metres (yards).
4. 4
   The distance between a firearm and a target where a projectile in flight is expected to strike the centre of the target without adjusting the elevation of the firearm.
5. 5
   Disconcertingly straightforward or blunt; outright.

Adverb

1. 1
   Horizontally (as the angle at which a projectile is launched); directly or straight (at the target).
2. 2
   Directly; bluntly; without pretense or caution.
3. 3
   In a direct manner, without hesitation.