Strong's #1246: diakatelegchomai (pronounced dee-ak-at-el-eng'-khom-ahee)
middle voice from 1223 and a compound of 2596 and 1651; to prove downright, i.e. confute:--convince.
Thayer's Greek Lexicon:
́
diakatelegchomai
1) to confute with rivalry and effort or in a contest
Part of Speech: verb
Relation: middle voice from G1223 and a compound of G2596 and G1651
Usage:
This word is used 1 times:
Acts 18:28: "For he mightily convinced the Jews, and that publicly, showing by"