'Unable' in the Bible

and blinded the men who were at the entrance of the house, from the least important to the greatest, so they were unable to find the doorway.

Later, Isaac prayed to the LORD on behalf of his wife, since she was unable to conceive children, and the LORD responded to him his wife Rebekah became pregnant.

When Joseph's brothers realized that their father loved him more than all of his brothers, they hated him so much that they were unable to speak politely to him.