What is the meaning of indifferent?

adjective

• Marked by a lack of interest.
  • usage: "an apathetic audience"; "the universe is neither hostile nor friendly; it is simply indifferent"
  • synonyms: apathetic
• Showing no care or concern in attitude or action.
  • usage: "indifferent to the sufferings of others"; "indifferent to her plea"
• Usually followed by `to'. ( unwilling or refusing to pay heed)
  • usage: "deaf to her warnings"
  • synonyms: deaf
• Often followed by `to'. ( lacking importance; not mattering one way or the other)
  • usage: "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"
  • synonyms: immaterial
• Fairly poor to not very good.
  • usage: "has an indifferent singing voice"; "has indifferent qualifications for the job"
• Having only a limited ability to react chemically; chemically inactive.
  • usage: "inert matter"; "an indifferent chemical in a reaction"
  • synonyms: inert, neutral
• Marked by no especial liking or dislike or preference for one thing over another.
  • usage: "indifferent about which book you would give them"; "was indifferent to their acceptance or rejection of her invitation"
• Characterized by a lack of partiality.
  • usage: "a properly indifferent jury"; "an unbiasgoted account of her family problems"
  • synonyms: unbiased, unbiassed
• Being neither good nor bad.
  • usage: "an indifferent performance"; "a gifted painter but an indifferent actor"; "her work at the office is passable"; "a so-so golfer"; "feeling only so-so"; "prepared a tolerable dinner"; "a tolerable working knowledge of French"
  • synonyms: so-so
• Neither too great nor too little.
  • usage: "a couple of indifferent hills to climb"