- lack of interest or concern: We were shocked by their indifference toward poverty.
- unimportance; little or no concern: Whether or not to attend the party is a matter of indifference to him.
- the quality or condition of being indifferent.
- mediocre quality; mediocrity.
- the fact or state of being indifferent; lack of care or concern
- lack of quality; mediocrity
- lack of importance; insignificance
- See principle of indifference
mid-15c., from Latin indifferentia “want of difference, similarity,” noun of quality from indifferentem (see indifferent).