English to English

noun (n)

• apathy demonstrated by an absence of emotional reactions(noun.feeling)

  Synonym:
  emotionlessness, impassiveness, impassivity, indifference, phlegm, unemotionality
  

  source: wordnet30
• an indifference to pleasure or pain(noun.attribute)

  Synonym:
  stoicism, stolidness
  

  source: wordnet30
• The state or quality of being stolid; dullness of intellect; obtuseness; stupidity.(noun)

  source: webster1913