impersonal

adjective

1 the hand of fate is brutal but impersonal:

neutral, unbiased, non-partisan, non-discriminatory, unprejudiced, unswayed, objective, detached, disinterested, dispassionate, free from discrimination, without favouritism, with no axe to grind, without fear or favour;

fair, just, equitable, balanced, even-handed.

▷antonyms biased.

2 even his children found him strangely impersonal:

aloof, distant, remote, reserved, withdrawn, unemotional, unfeeling, unsentimental, dispassionate, passionless, cold, cool, frigid, unresponsive, indifferent, unconcerned;

formal, stiff, rigid, wooden, starchy, stilted, restrained, self-controlled, matter-of-fact, businesslike, clinical;

informal stand-offish;

rare gelid.

▷antonyms warm; emotional.

impersonal Oxford Dictionary of English