"indifferent" en el diccionario Collins English Cobuild & Thesaurus

indifferent

1 aloof, apathetic, callous, careless, cold, cool, detached, distant, heedless, impervious, inattentive, not give a monkey's (slang) regardless, uncaring, unconcerned, unimpressed, uninterested, unmoved, unresponsive, unsympathetic

2 immaterial, insignificant, of no consequence, unimportant

3 average, fair, mediocre, middling, moderate, no great shakes (informal) ordinary, passable, perfunctory, so-so (informal) undistinguished, uninspired

4 disinterested, dispassionate, equitable, impartial, neutral, nonaligned, nonpartisan, objective, unbiased, uninvolved, unprejudiced

Antonyms

1 avid, compassionate, concerned, eager, enthusiastic, interested, keen, responsive, sensitive, susceptible, sympathetic

3 excellent, exceptional, fine, first-class, notable, remarkable