Meaning of “indifferent” - Learner’s Dictionary

indifferent

adjective uk us /ɪnˈdɪfərənt/
NOT CARING

not caring about or interested in someone or something:

They are indifferent to the plight of the unemployed.
NOT GOOD

neither good nor bad:

an indifferent performance
I buy wine without really knowing if it's good, bad, or indifferent.

(Definition of “indifferent” from the Cambridge Learner’s Dictionary © Cambridge University Press)