Available Definitions:
1) a. - Not mal/ing a difference; having no influence or preponderating weight; involving no preference, concern, or attention; of no account; without significance or importance.
2) a. - Neither particularly good, not very bad; of a middle state or quality; passable; mediocre.
3) a. - Not inclined to one side, party, or choice more than to another; neutral; impartial.
4) a. - Feeling no interest, anxiety, or care, respecting anything; unconcerned; inattentive; apathetic; heedless; as, to be indifferent to the welfare of one's family.
5) a. - Free from bias or prejudice; impartial; unbiased; disinterested.
6) adv. - To a moderate degree; passably; tolerably.