hardened in Polish
hardened in Polish
stwardniały
Having been accustomed or desensitized to something unpleasant through exposure or experience; inured.
utwardzony
Having been accustomed or desensitized to something unpleasant through exposure or experience; inured.
bezwzględny
Unfeeling; pitiless; callous.
stwardniały
Unfeeling; pitiless; callous.
zakorzeniony
Firmly established in a behavior seen as bad; unlikely to change one's ways; inveterate.
umocniony
(computing, military) Having extra defences against attack; highly fortified.