1) Apathetically 2) Casually 3) Disinterestedly 4) Dispassionately 5) Distantly 6) Droopily 7) Impassively 8) In an indifferent manner 9) Lazily 10) Lethargically 11) Listlessly 12) Nonchalantly 13) Remotely 14) Uncaringly 15) Unconcernedly 16) Unresponsively 17) With indifference 18) Without interest 1) Blankly 2) Carelessly 3) Casually 4) So so 
• (adv.) In an indifferent manner; without distinction or preference; impartially; without concern, wish, affection, or aversion; tolerably; passably.
In·dif'fer·ent·ly adverb In an indifferent manner; without distinction or preference; impartially; without concern, wish, affection, or aversion; tolerably; passably. « That they may truly and indifferently minister justice, to the punishment of wickedness and vice, and to the maintenanc...
[adv] - with indifference
adverb with indifference; in an indifferent manner; `she shrugged indifferently`