Strong's G3151 — ματαιολόγος (adjective)
mataiologos (mat-ai-ol-og'-os) adj.
1. an idle (i.e. senseless or mischievous) talker, i.e. a wrangler
[from G3152 and G3004]
KJV: vain talker 
Root(s): G3152, G3004 
Hebrew root: λέγω
Occurrences: 1