Meaning of the word hardened in English

What does hardened mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

hardened

US /ˈhɑːr.dənd/
UK /ˈhɑː.dənd/

Adjective

1.

made strong or hard

Example:
The steel was hardened by heat treatment.
The concrete needs to be fully hardened before use.
2.

made emotionally tough or insensitive; accustomed to hardship

Example:
He became a hardened criminal after years in prison.
She had a hardened look in her eyes, showing no fear.