Definition: converted to solid form (as concrete)
Main entry: case-hardened, hard-boiled, hardened
Definition: used of persons; emotionally hardened
Usage: faced a case-hardened judge
Main entry: hardened
Definition: protected against attack (especially by nuclear weapons)
Usage: hardened missile silos
Main entry: tempered, toughened, treated, hardened
Definition: made hard or flexible or resilient especially by heat treatment
Usage: a sword of tempered steel; tempered glass
Main entry: hardened, enured, inured
Definition: made tough by habitual exposure
Usage: hardened fishermen; a peasant, dark, lean-faced, wind-inured- Robert Lynd; our successors...may be graver, more inured and equable men- V.S.Pritchett