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toughened

English

  1. 🔊 physically toughened
    “the tough bottoms of his feet”
  2. 🔊 made hard or flexible or resilient especially by heat treatment
    “a sword of tempered steel”

Similar words

tempered treated hardened tough annealed backed calcified callous calloused case-hardened crusted crusty crystallized fossilized granulated hardened hornified incrusted indurate indurated lapidified ossified petrified reinforced