letting off this time (verb) reprieve: relieve of blame, responsibility
Sinonime: above,
apart,
casual,
chilly, cold, cold fish, cool,
detached, distant, forbidding, hard-boiled, hard-hearted,
haughty, incurious,
indifferent, laid back, lone wolf,
loner*, offish, on ice, putting on airs, reserved,
secluded,
solitary, standoffish, stuck up,
supercilious, thick-skinned, unapproachable,
unconcerned,
unfriendly,
uninterested, unresponsive, unsociable, unsympathetic, uppity, withdrawn
Antonime: concerned, friendly, sociable