Lexical Definition

‎ἀόρατος‎ aóratos (ah-or'-at-os) invisible G:A
from ‎Α‎ (as a negative particle) and ‎ὁρατός‎

invisible (thing).

Usage: 6 forms in 7 verses
Form Translated As     In Verse(s)
ἀόρατον Invisible Heb.11.27
ἀόρατα invisible Col.1.16
invisible qualities Rom.1.20
ἀοράτῳ invisible 1Tim.1.17
ἀοράτου invisible Col.1.15
αόρατοσ unseen LXX.Gen.1.2
αοράτουσ unseen LXX.Isa.45.3

Abbott-Smith

ἀόρατος, -ον (< ὁράω), [in LXX: Ge 1:2 (תֹּהוּ), Is 45:3 (מִסְתָּר), II Mac 9:5*;]
unseen, invisible: Ro 1:20, Col 1:15, 16, I Ti 1:17, He 11:27.†

Abbott-Smith References

Book Refs
Genesis 1:2
Isaiah 45:3
Romans 1:20
Colossians 1:15 · 1:16
1 Timothy 1:17
Hebrews 11:27

Liddell-Scott-Jones

ἀόρατος-τος, ον,

unseen, invisible, [Refs 5th c.BC+]; τὸ ἀόρατον the unseen world, the unseen, ἐξ οὐρανοῦ καὶ τοῦ .[Refs 5th c.BC+]obscure, [NT+2nd c.AD+]. adverb -τως[Refs 1st c.AD+]

__II active, not having seen, without experience of, παντὸς κακοῦ, δεινοῦ, [Refs 2nd c.BC+]

LSJ Scripture Refs: Heb.11.27