Quick Definition
taught, instructed
Strong's Definition
(subjectively) instructed, or (objectively) communicated by teaching
Derivation: from G1321 (διδάσκω);
KJV Usage: taught, which … teacheth
Thayer's Greek Lexicon
διδακτός, διδακτη, διδακτον (διδάσκω);
1. that can be taught (Pindar, Xenophon, Plato, others).
2. taught, instructed, followed by a genitive by one (cf. Winers Grammar, 189 (178); 194 (182); Buttmann, 169 (147)): τοῦ θέο, by God, Joh_6:45 from Isa_54:13; πνεύματος ἁγίου (G L T Tr WH omit ἁγίου), by the (Holy) Spirit, 1Co_2:13. (νουθετηματα κεινα διδακτα, Sophocles El. 344.)
Mounce Concise Greek Dictionary
διδακτός didaktos 3x
pr. taught, teachable, of things; in NT taught, of person, Joh_6:45 ; 1Co_2:13
Abbott-Smith Greek Lexicon
διδακτός , -ή , -όν
( < διδάσκω ),
[ in LXX : Isa_54:13 ( H3928 ), 1Ma_4:7 * ;]
1. that can be taught.
2. taught; c . gen ., of source of teaching (in cl ., poλt. only);
(a) of persons: δ . θεοῦ , Joh_6:45 ( LXX );
(b) of things, λόγοις δ . πνεύματος , 1Co_2:13 .†
Moulton & Milligan — Vocabulary of the Greek NT
διδακτός [page 158]
To the classical reff. for this not very common word we may add Pss. Sol. 17:35 in the description of Israel s King, καὶ αὐτὸς βασιλεὺς δίκαιος καὶ διδακτὸς ὑπὸ θεοῦ ἐπ᾽ αὐτούς (cf. LXX Isa_54:13 ).
Liddell-Scott — Intermediate Greek Lexicon
διδακτός δι^δακτός, ή, όν (adj di^dakt os_h_on suff_acc ) [Etym: διδάσκω] of things, "taught, learnt", Soph. "that can or ought to be taught or learnt", Pind. , Soph. , etc. of persons, "taught, instructed", τινός "in" a thing, NTest.
STEPBible — Tyndale Abridged Greek Lexicon
διδακτός, -ή, -όν
(διδάσκω), [in LXX: Isa.54:13 (לִמּוּד), 1Ma.4:7 * ;]
__1. that can be taught.
__2. taught; with genitive, of source of teaching (in cl., poët. only);
__(a) of persons: δ. θεοῦ, Jhn.6:45 (LXX);
__(b) of things, λόγοις δ. πνεύματος, 1Co.2:13.†
(AS)