indifference

 
Pronunciation: /ɪnˈdɪf(ə)r(ə)ns/

noun

[mass noun]
  • 1lack of interest, concern, or sympathy: she shrugged, feigning indifference
  • unimportance: it cannot be regarded as a matter of indifference
  • 2mediocrity: the indifference of Chelsea’s midfield

Origin:

late Middle English (in the sense 'being neither good nor bad'): from Latin indifferentia, from in- 'not' + different- 'differing, deferring' (from the verb differre)