indurated Synonyms

as hard as nails taciturn stubborn stony stiffened stiff steeled solidified set rigid thick-skinned tough toughened blind to hardhearted chutzpadik case-hardened calloused unyielding vitrified unfeeling unbending pachydermatous ossified cold careless callous calcified brazen brassy benumbed backed apathetic firm hard hardened obdurate inveterate inured insensitive insensible inflexible indurate impassive heartless accustomed