The quality of not perceiving or kenning things distinctly.
The quality of being uninteresting; boring; humorless or irksome.
The quality of being slow of understanding things; stupidity.
Lack of interest or excitement.
The lack of visual brilliance; want of sheen.
bluntness.
That which is detected by the five senses; not necessarily understood (imagine looking through fog, trying to understand if you see a small dog or a cat); also that which is detected within consciousness as a thought, intuition, deduction, etc.
Vision (ability)
Conscious understanding of something.
The organisation, identification and interpretation of sensory information.
Acuity