adjective
- made hard or harder; solidified or strengthened
- emotionally toughened; no longer easily moved by sympathy or feeling
- experienced and accustomed to something difficult or unpleasant
verb
- past tense and past participle of harden; to make or become hard or harder
Examples
- The concrete hardened after several days of drying.
- Years of rejection had hardened her heart.
- A hardened criminal has committed many crimes.
- The clay hardened in the kiln at high temperature.
- He was a hardened veteran of three wars.
- The sauce will harden as it cools.
- She had become hardened to the suffering around her.