un caring (adjective) uncaring: indifferent
Sinonime: aloof, blasé,
callous,
cold,
cool,
detached,
disinterested,
dispassionate,
heartless,
impervious,
listless,
nonchalant, passionless, unaroused,
unconcerned,
unemotional, uninvolved, unmoved, unsympathetic