indifferent vs sensitive

indifferent

adj
  • Indicating or reflecting a lack of concern or care. 

  • Ambivalent; unconcerned; uninterested, apathetic. 

  • Having no preference. 

  • Mediocre (usually used negatively in modern usage). 

  • Not making a difference; without significance or importance. 

  • Being in the state of neutral equilibrium. 

noun
  • A person who is indifferent or apathetic. 

sensitive

adj
  • Capable of offending, upsetting, or hurting. 

  • Having the faculty of sensation; pertaining to the senses. 

  • Responsive to stimuli. 

  • Easily offended, upset, or hurt. 

  • Important, intricate, and requiring great delicacy. 

  • Accurate; able to register small changes in some property. 

  • Meant to be concealed or kept secret. 

noun
  • A person with a paranormal sensitivity to something that most cannot perceive. 

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