διϊσχυρίζομαι diïschyrízomai

Meaning

to stout it through, i.e. asservate

In the King James Version: confidently (constantly) affirm

Derivation: from G1223 (διά) and a derivative of G2478 (ἰσχυρός);

Where it is used

• Luke 22:59 About an hour later, another man insisted, “Certainly this man was with Him, for he too is a Galilean.”
• Acts 12:15 “You are out of your mind,” they told her. But when she kept insisting it was so, they said, “It must be his angel.”