Lexical Definition

‎ὑπέρογκος‎ hypéronkos (hoop-er'-ong-kos) boastful G:A
from ‎ὑπέρ‎ and ‎ὄγκος‎

great swelling.

Usage: 4 forms in 8 verses
Form Translated As     In Verse(s)
Ὑπέρογκα Arrogant 2Pet.2.18
great swelling Jude.1.16
υπέρογκόσ enormous LXX.Deut.30.11
υπέρογκον enormous LXX.Exod.18.22LXX.Exod.18.26
it was an enormous LXX.2Sam.13.2
υπέρογκα enormously LXX.Lam.1.9
pompous words LXX.Dan.11.36

Abbott-Smith

ὑπέρ-ογκος, -ον [in LXX: De 30:11 (נִפְלֵאת), etc. ;]
of excessive weight or size; metaph., excessive, immoderate, in late writers, of arrogant speech (v. Mayor on Ju, l.c.): n. pl., II Pe 2:18, Ju 16.†

Abbott-Smith References

Book Refs
Deuteronomy 30:11
2 Peter 2:18
Jude 1:16

Liddell-Scott-Jones

ὑπέρογκος-ος, ον,

of excessive bulk or size, γενομένης τῆς κνήμης . swelled to a great size, [Refs 5th c.BC+]tim.15; δύναμις ., opposed to ταπεινή, [Refs 4th c.BC+]

__2 immoderate, excessive, οὐσίαι [Refs 5th c.BC+]; τιμαί, εὐτυχίαι, etc., [Refs 1st c.AD+]; τὰ ., opposed to τὰ ἐλλείποντα, [Refs 5th c.BC+]; of style, ponderous, verbose, [ὑπέρογκοςα λαλεῖν">Refs 1st c.AD+] talk 'big', [NT]: generally, exceedingly great, πρᾶγμα [Refs 2nd c.AD+]. adverb -κως[Refs 1st c.AD+]: neuter as adverb, ὑπέρογκοςον φρονεῖν [Refs 4th c.AD+]
__3 difficult, [LXX]

LSJ Scripture Refs: 2Pet.2.18LXX.2Kgs.13.2