The phrase "complete indifference" means that someone doesn't care at all or show any interest or concern about something or someone.
Sentences with «complete indifference»
«But an absence of any feedback shows complete indifference towards your performance and your future growth as an employee,» says Kerr. (inc.com)
Conservative politicians are adopting an attitude of complete indifference as Michael Gove faces a barrage of cronyism claims. (politics.co.uk)
The almost complete indifference of these influential publications to the extraordinary human benefits of capitalist expansion suggests that something more than ignorance is at work. (firstthings.com)