Quick Definition
unseen, not obvious
Strong's Definition
hidden, figuratively, indistinct
Derivation: from G1 (Α) (as a negative particle) and G1212 (δῆλος);
KJV Usage: appear not, uncertain
Thayer's Greek Lexicon
ἄδηλος, (δῆλος), not manifest: Luk_11:44; indistinct, uncertain, obscure: φωνή, 1Co_14:8. (In greek authors from Hesiod down.) (Cf. δῆλος, at the end; Schmidt, chapter 130.)
Mounce Concise Greek Dictionary
ἄδηλος adēlos 2x
not apparent or obvious; uncertain, not distinct, Luk_11:44 ; 1Co_14:8
Abbott-Smith Greek Lexicon
ἄ -δηλος , -ον
( <δῆλος )
[in LXX : ( Psa_51:6 ) ( H987 );]
1. unseen, unobserved, not manifest (Ps, l.c .): Luk_11:44 .
2. uncertain, indistinct: 1Co_14:8 .†
Moulton & Milligan — Vocabulary of the Greek NT
ἄδηλος [page 9]
P Lond 940 .23 (A.D. 226) ( = III. p. 118) ἀδήλου ὄντος εἰ ὑμεῖν διαφέρει ἡ κληρονομία , P Oxy I. 118 .5 f. (late iii/A.D.) διὰ τὸ ἄδηλον τῆς ὁδοιπορίας .
Liddell-Scott — Intermediate Greek Lexicon
ἄδηλος "not seen or known, unknown, obscure", Hes. , Soph. , Plat. of things, ἄδ. θάνατοι death "by an unknown hand", Soph. ; ἄδ. ἔχθρα "secret" enmity, Thuc. ; ῥεῖ πᾶν ἄδηλον melts all "to nothing", Soph. ; ἄδ. τινι "unseen, unobserved by" him, Xen. neut. ἄδηλόν [ἐστι] εἰ . . , ὅτι . . , "it is uncertain" whether . . , "unknown" that . . , Plat. , etc.; so, ἄδηλον μή . . , id=Plat. :— absol., ἄδηλον ὄν it being "uncertain", Thuc. ; so, ἐν ἀδηλοτέρῳ εἶναι Xen. ἄδηλος often agrees with the subject (like δίκαιός εἰμι), παῖδες ἄδηλοι ὁποτέρων ῀ ἄδηλόν ἐστιν ὁποτέρων παῖδες εἰσίν Lys. , etc. adv. -λως, "secretly", Thuc. , etc.; Sup. -ότατα, id=Thuc.
STEPBible — Tyndale Abridged Greek Lexicon
ἄ-δηλος, -ον
(δῆλος), [in LXX: Ps 50 (51):6 (בַּטֻחוֹת) ;]
__1. unseen, unobserved, not manifest (Ps, l.with): Luk.11:44.
__2. uncertain, indistinct: 1Co.14:8.
† (AS)