(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.