hardened

1. imp. & p. p. of Harden Source: opted

2. a. Made hard, or compact; made unfeeling or callous; made obstinate or obdurate; confirmed in error or vice. Source: opted

3. adj. used of persons; emotionally hardened Source: wordnet

4. adj. made hard or flexible or resilient especially by heat treatment Source: wordnet

5. adj. protected against attack (especially by nuclear weapons) Source: wordnet

6. adj. made tough by habitual exposure Source: wordnet

7. adj. converted to solid form (as concrete) Source: wordnet

8. Made hard, or compact; made unfeeling or callous; made obstinate or obdurate; confirmed in error or vice. Syn. -- Impenetrable; hard; obdurate; callous; unfeeling; unsusceptible; insensible. See Obdurate. Source: webster

9. Made hard, or compact; made unfeeling or callous; madeobstinate or obdurate; confirmed in error or vice. Source: adambom

10. j:100 a. protected against attack (especially by nuclear weapons) s. converted to solid form (as concrete) Source: ecdict

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