Lexical Definition

‎ἀλαζονεία‎ alazoneía (al-ad-zon-i'-a) boasting G:N-F
from ‎ἀλαζών‎

boasting, pride.

Usage: 2 forms in 2 verses
Form Translated As     In Verse(s)
ἀλαζονείαισ arrogance Jas.4.16
ἀλαζονεία vaunting 1John.2.16

Abbott-Smith

** ἀλαζονία (Rec. -εία, the earlier form), -ας, ἡ (< ἀλαζών), [in LXX: Wi 5:8 17:7, 2; IV Mac 5:1-38*;]
the character of an ἀλαζών, boastfulness, vainglory, vaunting: Ja 4:16 (Mayor, in l.), I Jo 2:16.†

Abbott-Smith References

Book Refs
James 4:16
1 John 2:16

Liddell-Scott-Jones

ἀλαζονεία-ονεία, ,

false pretension, imposture, [ἀλαζονείαονείας 5th-6th c.BC: Aristophanes Comicus “Ranae” 919: in \_plural\_, [prev. author] “Eq.” 290, 903, 5th-6th c.BC: Isocrates Orator 12.20">Refs 5th c.BC+]; boastfulness, [Refs 6th c.AD+] their over-readiness to sound, opposed to ἐξάρνησις, [Refs 5th c.BC+]. [That penultimate is long appears from Ar.[same places], [Refs 4th c.BC+]