Meaning of hardened

Definition of hardened

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

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