Meaning of the word "indifferent"

indifferent
characterized by a lack of partiality
[adjective]
Examples:
a properly indifferent jury
(usually followed by `to') unwilling or refusing to pay heed
[adjective]
(often followed by `to') lacking importance; not mattering one way or the other
[adjective]
Examples:
whether you choose to do it or not is a matter that is quite immaterial (or indifferent)
what others think is altogether indifferent to him
marked by a lack of interest
[adjective]
Examples:
the universe is neither hostile nor friendly; it is simply indifferent
being neither good nor bad
[adjective]
Examples:
an indifferent performance
a gifted painter but an indifferent actor
having only a limited ability to react chemically; chemically inactive
[adjective]
Examples:
an indifferent chemical in a reaction
fairly poor to not very good
[adjective]
Examples:
has an indifferent singing voice
has indifferent qualifications for the job
marked by no especial liking or dislike or preference for one thing over another
[adjective]
Examples:
indifferent about which book you would give them
was indifferent to their acceptance or rejection of her invitation
neither too great nor too little
[adjective]
Examples:
a couple of indifferent hills to climb
showing no care or concern in attitude or action
[adjective]
Examples:
indifferent to the sufferings of others
indifferent to her plea