Wordnet 3.0
ADJECTIVE (1)
1. 
 made tough by habitual exposure; 
- Example: "hardened fishermen"- Example: "a peasant, dark, lean-faced, wind-inured"- Robert Lynd- Example: "our successors...may be graver, more inured and equable men"- V.S.Pritchett[syn: enured, inured, hardened]
WordNet (r) 3.0 (2006):
enured
    adj 1: 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 [syn: enured, inured, hardened]