Unconcern (noun)

A lack of interest or importance attached to something or someone.

Origin:

The word "unconcern" is formed by the prefix "un-" meaning "not" or "opposite of" and the noun "concern" meaning "a state of interest or importance attached to something or someone". it is used to indicate a lack of interest or importance attached to something or someone.

Examples:

1. He spoke with unconcern about the matter.
2. She looked at him with unconcern.
3. The company's unconcern for the environment was evident in their actions.
4. He was criticized for his unconcern for the safety of his employees.
5. The government's unconcern for the welfare of the citizens was obvious.