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+# σκληροκαρδία/sklērokardia
+This word is an idea. It is a noun.
+* This word means hardness of heart.
+    * This word is used to talk about someone who is stubborn. This is a person who refuses to listen to someone, to do something, or to change how they think about something.
+
+See: Matthew 19:8; Mark 10:5; 16:14