dull vs radiate

dull

verb
  • To render dim or obscure; to sully; to tarnish. 

  • To render dull; to remove or blunt an edge or something that was sharp. 

  • To soften, moderate or blunt; to make dull, stupid, or sluggish; to stupefy. 

  • To lose a sharp edge; to become dull. 

adj
  • Not bright or intelligent; stupid; having slow understanding. 

  • Insensible; unfeeling. 

  • Not intense; felt indistinctly or only slightly. 

  • Sluggish, listless. 

  • Boring; not exciting or interesting. 

  • Not shiny; having a matte finish or no particular luster or brightness. 

  • Lacking the ability to cut easily; not sharp. 

  • Cloudy, overcast. 

  • Heavy; lifeless; inert. 

  • Not clear, muffled. 

radiate

verb
  • To illuminate. 

  • To come out or proceed in rays or waves. 

  • To expose to ionizing radiation, such as by radiography. 

  • To manifest oneself in a glowing manner. 

  • To extend, send or spread out from a center like radii. 

  • To emit rays or waves. 

  • to spread into new habitats, migrate. 

noun
  • One of the Radiata. 

adj
  • Surrounded by rays, such as the head of a saint in a religious picture. 

  • Having radial symmetry, like a seastar. 

  • Belonging to the Radiata. 

  • Radiating from a center; having rays or parts diverging from a center; radiated. 

  • Having parts radiating from the center, like the petals in many flowers. 

  • Consisting of a disc in which the florets are tubular. 

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