" indurates "

1: to become physically firm or solid;

  * e.g., " ... clay that had been indurated by long exposure to the summer sun "

•  Synonyms : 

•  concretes,

•  congeals,

•  firms (up),

•  freezes,

•  hardens,

•  sets,

•  solidifies

•  Antonyms : 

•  liquefies,

•  softens

2: to make able to withstand physical hardship, strain, or exposure;

  * e.g., " ... such a brutal upbringing could only callous his soul and indurate his heart to the suffering of others "

•  Synonyms : 

•  fortifies,

•  hardens,

•  inures,

•  seasons,

•  steels,

•  strengthens,

•  toughens

•  Antonyms : 

•  softens

1: to become physically firm or solid;

  * e.g., " ... clay that had been indurated by long exposure to the summer sun "

•  Synonyms : 

•  concrete,

•  congeal,

•  firm (up),

•  freeze,

•  harden,

•  set,

•  solidify

•  Antonyms : 

•  liquefy,

•  soften

2: to make able to withstand physical hardship, strain, or exposure;

  * e.g., " ... such a brutal upbringing could only callous his soul and indurate his heart to the suffering of others "

•  Synonyms : 

•  fortify,

•  harden,

•  inure,

•  season,

•  steel,

•  strengthen,

•  toughen

•  Antonyms : 

•  soften