Quick Definition
ἀπόκρυφος, ον Adj hidden away, secret
Strong's Definition
from 613; secret; by implication, treasured
KJV Usage: hid, kept secret
UBS Dictionary of the Greek New Testament
adjc. | -ον | κρύπτω
28.70 · Know · Not Able To Be Known, Secret
secret, not able to be known pertaining to not being able to be known and thus secret, possibly in view of something being separate The triple negation in LUK 8:17 may lead to some shift in a number of languages, for example, ‘everything which is secret now will be known.’
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Thayer's Greek Lexicon
ἀπόκρυφος,-ον, (ἀποκρύπτων. hidden, secreted : Mk. iv. 22; Lk. viii. 17. stored up: Col. 11. 8. (Dan. xi. 43 [ Theod.]; Is. xlv. 3; 1 Mace. i. 23; Xen., Eur.; [cf. Bp. Lghtft. on the word, Col. 1. c., antl Ign. i. 351 sq.].)
Mounce Concise Greek Dictionary
ἀπόκρυφος apokryphos 3x
hidden away; concealed, Mk. 4:22; Lk. 8:17; stored up, Col. 2:3*
Abbott-Smith Greek Lexicon
ἀπόκρυφος, -ον
(< ἀποκρύπτω), [in LXX Chiefly for סֵתֶר;]
hidden: Mk 4:22, Lk 8:17, Col 2:3 (v. Lft., in l.; MM, s.v.).†
Liddell-Scott-Jones — Greek-English Lexicon
ἀπόκρυφος (apokruphos) — concealed. ἀπόκρῠφος, ον, hidden, concealed, [Refs 5th c.BC+]; ἐν ἀποκρύφφ in secret, [Refs 5th c.BC+]hidden, stored up, [NT]; underhand, μηδὲν ἀ. πεποιῆσθαι[Refs]
2. with genitive, ἀπόκρυφον πατρός unknown to him, [Refs 5th c.BC+]
II. obscure, recondite, hard to understand, [Refs 3rd c.BC+]; ἀ. σύμβολαδέλτων, of hieroglyphics, [Refs]; [βίβλος] [Refs 5th c.BC+]
III. adverb -φως secretly, [LXX+2nd c.AD+]