hardened
adjective
1. used of persons; emotionally hardened
- faced a case-hardened judge
Similar word(s): hard
2. made hard or flexible or resilient especially by heat treatment
Similar word(s): curable, sunbaked, tempered, toughened, treated
3. protected against attack (especially by nuclear weapons)
- hardened missile silos
4. made tough by habitual exposure
- hardened fishermen
Similar word(s): tough, toughened, enured, inured
5. converted to solid form (as concrete)
verb
1. simple past tense and past participle of harden