hardened

adjectives

used of persons; emotionally hardened
"faced a case-hardened judge"
case-hardened, hard-boiled, hardened
made hard or flexible or resilient especially by heat treatment
"a sword of tempered steel"; "tempered glass"
hardened, tempered, toughened, treated
protected against attack (especially by nuclear weapons)
"hardened missile silos"
hardened
antonym
soft
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
enured, hardened, inured
converted to solid form (as concrete)
hardened, set