The Collaborative International Dictionary of English v.0.48:

Indifferent \In*dif"fer*ent\, a. [F. indiff['e]rent, L.
   indifferens. See In- not, and Different.]
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   1. Not making a difference; having no influence or
      preponderating weight; involving no preference, concern,
      or attention; of no account; without significance or
      importance.
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            Dangers are to me indifferent.        --Shak.
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            Everything in the world is indifferent but sin.
                                                  --Jer. Taylor.
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            His slightest and most indifferent acts . . . were
            odious in the clergyman's sight.      --Hawthorne.
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   2. Neither particularly good, not very bad; of a middle state
      or quality; passable; mediocre.
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            The staterooms are in indifferent order. --Sir W.
                                                  Scott.
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   3. Not inclined to one side, party, or choice more than to
      another; neutral; impartial.
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            Indifferent in his choice to sleep or die.
                                                  --Addison.
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   4. Feeling no interest, anxiety, or care, respecting
      anything; unconcerned; inattentive; apathetic; heedless;
      as, to be indifferent to the welfare of one's family.
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            It was a law of Solon, that any person who, in the
            civil commotions of the republic, remained neuter,
            or an indifferent spectator of the contending
            parties, should be condemned to perpetual
            banishment.                           --Addison.
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   5. (Law) Free from bias or prejudice; impartial; unbiased;
      disinterested.
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            In choice of committees for ripening business for
            the counsel, it is better to choose indifferent
            persons than to make an indifferency by putting in
            those that are strong on both sides.  --Bacon.
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   Indifferent tissue (Anat.), the primitive, embryonic,
      undifferentiated tissue, before conversion into
      connective, muscular, nervous, or other definite tissue.
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