stony-hearted (adjective) stonyhearted: cold-blooded
Sinonime: barbarous,
brutal,
callous,
cold*, cold-hearted, compassionless,
dispassionate,
hard, hard-boiled, hard-hearted, hardened, hardhearted,
heartless, imperturbable,
inhuman, matter-of-fact,
merciless,
obdurate, pitiless,
relentless,
ruthless,
savage, steely, stony-hearted, uncompassionate,
unemotional, unfeeling, unmoved