1. lack of interest, concern, or sympathy: "she shrugged, feigning indifference"Similarlack of concern aboutunconcern aboutapathy about/towardnonchalance aboutlack of interest indisregard forobliviousness touninvolvement in/withheedlessness ofmindlessness ofcarelessness ofdismissiveness ofboredom withweariness ofunresponsiveness tolack of enthusiasm aboutimpassivenessimpassivitydispassionatenessaloofnessinsouciancedetachmentdistancecoldnesscoolnessunresponsivenesspassionlessnessemotionlessnesslack of feelinglack of sympathycallousnessrare:poco-curantismOppositeheedcare
▪ unimportance:"it cannot be regarded as a matter of indifference"
Word Originlate Middle English (in the sense ‘being neither good nor bad’): from Latin indifferentia, from in- ‘not’ + different- ‘differing, deferring’ (from the verb differre).
