diakatelegchomai describes publicly and forcefully answering an opposing claim by demonstrating from the Scriptures.

The attested use depicts a public, forceful refutation in which an argument is demonstrated through the Scriptures.

1. Public refutation by scriptural demonstration · dominant

   In Acts 18:28, the imperfect middle indicative form occurs in a public encounter with the Jews, where the APB renders the clause, “For he powerfully refuted the Jews in public, demonstrating through the Scriptures that Jesus is the Christ.”

   Acts 18:28

In the Anselm Project Bible: In Acts 18:28, the APB presents the action as “powerfully refuted” in public, followed by demonstration through the Scriptures.