feelingless vs insensate

feelingless

adj
  • Without feeling, without emotion, unemotional. 

insensate

adj
  • Having no sensation or consciousness; unconscious; inanimate. 

  • Not responsive to sensory stimuli. 

  • Unfeeling, heartless, cruel, insensitive. 

  • Senseless; foolish; irrational. 

verb
  • To render insensate; to deprive of sensation or consciousness. 

noun
  • One who is insensate. 

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