hardened
Pronunciation:
/ˈhɑːdn̩d//ˈhɑɹdn̩d/verb
Definitions
To become hard (tough, resistant to pressure).
To make something hard or harder (tough, resistant to pressure).
To strengthen.
To modify (a website or other system) to make it resistant to malicious attacks.
adjective
Definitions
Unfeeling or lacking emotion due to experience; callous.
Example: The bloody scene could reduce even the most hardened soldier to tears.
Firmly established or unlikely to change; inveterate.
Having extra defences against attack; highly fortified.
Example: a hardened air base