Quick Definition
a knower of the inner life
Strong's Definition
a heart-knower
Derivation: from G2588 (καρδία) and G1097 (γινώσκω);
KJV Usage: which knowest the hearts
Thayer's Greek Lexicon
καρδιογνώστης, καρδιογνωστου, ὁ (καρδία, γνώστης), knower of hearts: Act_1:24; Act_15:8. (Ecclesiastical writings (Winer's Grammar, 100 (94)).)
Mounce Concise Greek Dictionary
καρδιογνώστης kardiognōstēs 2x
heart-knower, searcher of hearts, Act_1:24 ; Act_15:8
Abbott-Smith Greek Lexicon
*† καρδιο -γνώστης , -ου , ὁ
( < καρδία , γνώστης ),
knower of hearts: Act_1:24 ; Act_15:8 .†
Moulton & Milligan — Vocabulary of the Greek NT
καρδιογνώστης [page 321]
This word, which is first found in Act_1:24 , is traced by Preuschen ( HZNT ad l. ) to the Christian-liturgical usage of the time. It occurs again in ib. 15 .8 : for the thought cf. Jer_17:10 ἐτάζων καρδίας .
Liddell-Scott — Intermediate Greek Lexicon
καρδιογνώστης καρδιο-γνώστης, ου, "knower of hearts", NTest.
STEPBible — Tyndale Abridged Greek Lexicon
καρδιο-γνώστης, -ου, ὁ
(καρδία, γνώστης),
knower of hearts: Act.1:24 15:8.†
(AS)