Pronunciation: (in-dif'ur-uns, -dif'runs),[key] —n. 1. lack of interest or concern: We were shocked by their indifference toward poverty. 2. unimportance; little or no concern: Whether or not to attend the party is a matter of indifference to him. 3. the quality or condition of being indifferent.
4. mediocre quality; mediocrity.