indifference
🇺🇸
/ɪnˈdɪfrəns/
🇬🇧
/ɪnˈdɪfrəns/
not caring about something or someone
His indifference to my problems made me feel alone.
not being important
The team's indifference to safety rules caused the accident.
being average or not very good
The player's indifference during the game disappointed the coach.