Adjektive

• tougher [ tougher ; toughest ]
  أقسى
  more ...
• toughest [ tougher ; toughest ]
  أقسى
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• harshest [ harsher ; harshest ]
  أقسى
  more ...
• harsher [ harsher ; harshest ]
  أقسى
  more ...
• crueller [ crueler/crueller ; cruelest/cruellest ]
  أقسى
  more ...

Verb

• to harden [ hardened ; hardened ]
  أقسى
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• to concrete {chem.}
  أَقْسَى {كمياء}
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• to harshen
  أقسى
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• to cement
  أقسى
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• to solidify {chem.}
  أَقْسَى {كمياء}
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• to indurate
  أَقْسَى
  more ...