/ ɪnˈdɪfrəns; NAmE / noun
[ U , sing. ] indifference (to sb/sth) a lack of interest, feeling or reaction towards sb/sth :
his total indifference to what people thought of him
What she said is a matter of complete indifference to me.
Their father treated them with indifference.
an indifference to the needs of others
••
WORD 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 ).