Lacking subtlety or nuance.
Do not be too heavy-handed with the salt.
Overbearing, coercive; unnecessarily forceful; harsh, oppressive.
Clumsy, awkward.
Excessive, overdone.
dulled or intentionally blunt.
out of focus; blurry.
To sharpen (an image) by creating a blurred ("unsharp") negative as a mask, and then combining that mask with the original.