[adj] converted to solid form (as concrete)
[adj] used of persons; emotionally hardened; "faced a case-hardened judge"
[adj] made hard or flexible or resilient especially by heat treatment; "a sword of tempered steel"; "tempered glass"
[adj] 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
annealed, baked, burned, burnt, case-hardened, enured, hard, hard-boiled, inured, set, sunbaked, tempered, tough, toughened, treated