#2757 κενοφωνία kenophonia {ken-of-o-nee'-ah}

 from a presumed compound of G2756 and G5456; TDNT - n/a; n f

—Greek Word Study (Transliteration-Pronunciation Etymology & Grammar)

 1) empty discussion, discussion of vain and useless matters

—Thayer's (New Testament Greek-English Lexicon)

—Strong's (Greek Dictionary of the New Testament)

—NAS Exhaustive Concordance of the Bible with Hebrew-Aramaic and Greek Dictionaries

 AV - vain babblings 2; 2

—Exhaustive Concordance (KJV Translation Frequency & Location)