indifferent

Concise Oxford English Dictionary © 2008 Oxford University Press:
indifferent/ɪnˈdɪfrənt/

▶adjective

• 1 having no particular interest or sympathy; unconcerned.

• 2 neither good nor bad; mediocre.

  ■ not especially good; fairly bad.

– derivatives
indifference noun,
indifferently adverb.

– origin ME: via OFr. from L. indifferent- ‘making no difference’, from in- ‘not’ + different-, differre (see differ).