Collocations for indifference - noun

complete, supreme (esp. BrE), total, utter
growing
deliberate, studied
apparent, feigned, seeming
benign, blithe, casual
Try to treat such comments with benign indifference.

callous, cold, cool
reckless
Attacks have been successful because of a reckless indifference to security standards.

public

feel
demonstrate, display, express, show
She showed total indifference to his fate.

cultivate, feign
He feigned indifference to criticism of his work.

regard sb/sth with
They regard the change in corporate culture with a certain indifference.

treat sb/sth with
be met with
Constable's landscapes met with indifference when they were first exhibited.

with an indifference
Ellis spoke with a casual indifference that he did not feel.

indifference to, indifference towards/toward
his indifference towards/toward art

an air of indifference, an attitude of indifference
They have an air of studied indifference to the problem.
She adopted an attitude of supreme indifference.

a matter of indifference
It's a matter of indifference to me whether he goes or not.