
Open English Wordnet
Adjectives
(a)hardenedprotected against attack (especially by nuclear weapons)“hardened missile silos” (s)enured, inured, hardenedmade 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)