φλυαρέω G5396
phlyaréō · floo-ar-eh'-o · Verb
from φλύαρος; to be a babbler or trifler, i.e. (by implication) to berate idly or mischievously:--prate against.
1 Occurrence in the King James Bible
3 John 1:10Wherefore, if I come, I will remember his deeds which he doeth, prating against us with malicious words: and not content therewith, neither doth he himself receive the brethren, and forbiddeth them that would, and casteth them out of the church.