unsharp vs vague

unsharp

adj
  • out of focus; blurry. 

  • dulled or intentionally blunt. 

verb
  • To sharpen (an image) by creating a blurred ("unsharp") negative as a mask, and then combining that mask with the original. 

vague

adj
  • Not sharply outlined; hazy. 

  • Not clearly felt or sensed; somewhat subconscious. 

  • Not clearly defined, grasped, or understood; indistinct; slight. 

  • Lacking expression; vacant. 

  • Not having a precise meaning. 

  • Not thinking or expressing one’s thoughts clearly or precisely. 

  • Not clearly expressed; stated in indefinite terms. 

  • Wandering; vagrant; vagabond. 

verb
  • To make vague negative comments publicly; to make highly veiled complaints or insults. 

  • To become vague or act in a vague manner. 

noun
  • An indefinite expanse. 

How often have the words unsharp and vague occurred in a corpus of books? (source: Google Ngram Viewer )