Greek word
megalauchéō
μεγαλαυχέω
What it means
akin to auxánō and kaucháomai)
akin to auxánō (αὐξάνω) and kaucháomai (καυχάομαι)); to talk big, i.e. be grandiloquent (arrogant, egotistic)
Where it comes from
from a compound of mégas (μέγας) and (to boast
How the King James translates it
Every place it appears 1
James3:5