Lexical Definition

‎ἀλαζών‎ alazṓn (al-ad-zone') braggart G:N-M
from (vagrancy)

boaster.

Usage: 4 forms in 5 verses
Form Translated As     In Verse(s)
ἀλαζόνεσ boastful 2Tim.3.2
ἀλαζόνασ boastful Rom.1.30
αλαζών ostentatious LXX.Prov.21.24LXX.Hab.2.5
αλαζόνων of ostentatious ones LXX.Job.28.8

Abbott-Smith

ἀλαζών, -όνος, ὁ, ἡ (< ἄλη, wandering), [in LXX: Jb 28:8 (שַׁחַץ) Hb 2:5 (יָהִיר), Pr 21:24 (לוּץ)*;]
prop, a vagabond, hence, an impostor, a boaster: Ro 1:30, II Ti 3:2.†
SYN.: ὐβριστής, ὑπερήφανος (v. Tr., Syn., § xxix; Lft., Notes, 256)

Abbott-Smith References

Book Refs
Job 28:8
Proverbs 21:24
Habakkuk 2:5
Romans 1:30
2 Timothy 3:2

Liddell-Scott-Jones

ἀλαζών-ών [ᾰλ], όνος, , ,

(ἄλη) properly wanderer about country, vagrant, [Refs 7th c.BC+]

__II charlatan, quack, especially of Sophists, [Refs 5th c.BC+]
__II.2 braggart, boaster, [Refs 5th c.BC+]; title of play by [Refs 4th c.BC+]
__II.3 adjective, boastful, pretentious, [Refs 5th c.BC+]: comparative -έστερος[ἀλαζώνονίστατον">Refs] most shameless, [Refs 5th c.BC+]. adverb superlative -έστατα, δρω-ν[Refs 2nd c.AD+]