διακρίνω; imperfect 
διέκρινον; 1 aorist 
διέκρινα; middle [present 
διακρίνομαι]; imperfect 
διεκρινόμην; 1 aorist 
διεκρίθην (in secular authors in a passive sense, 
to be separated; cf. Winers Grammar, § 39, 2; [Buttmann, 52 (45)]); in Greek writings from Homer down; in the 
Sept. chiefly for 
שָׁפַט, also for 
הֵדִין etc.
1. to separate, make a distinction, discriminate, [cf. 
διά, C. 4]: 
οὐδὲν διέκρινε μεταξὺ ἡμῶν τε καὶ αὐτῶν, 
Acts 15:9; 
μηδὲν διακρίναντα, making no difference, namely, between Jews and Gentiles, 
Acts 11:12 L T Tr WH; like the Latin 
distinguo, used emphatically: to distinguish or separate a person or thing from the rest, in effect equivalent to 
to prefer, yield to him the preference or honor: 
τινά, 
1 Corinthians 4:7 [cf. Winer's Grammar, 452 (421)]; 
τὸ σῶμα (
τοῦ κυρίου), 
1 Corinthians 11:29.
2. to learn by discrimination, to try, decide: 
Matthew 16:3 [T brackets WH reject the passage]; 
1 Corinthians 14:29; 
ἑαυτόν, 
1 Corinthians 11:31; 
to determine, give judgment, decide a dispute: 
1 Corinthians 6:5.
Passive and middle 
to be parted, to separate oneself from;
1. to withdraw from one, desert him (Thucydides 1, 105; 3, 9); of heretics withdrawing from the society of true Christians (
Sozom. 7, 2 [p. 705, Vales. edition] 
ἐκ τούτου οἱ μὲν διακριθέντες ἰδίᾳ ἐκκλησίαζον): 
Jude 1:22 according to the (preferable) reading of 
L T Tr text 
ἐλέγχετε διακρινομένους, 
those who separate themselves from you, 
i. e. who apostatize; instead of the 
Rec. ἐλεεῖτε διακρινόμενοι, which is to be rendered, 
making for yourselves a selection; cf. Huther at the passage; [others though adopting the reading preferred above, refer 
διακρ. to the following head and translate it 
while they dispute with you; but WH (see their Appendix) Tr marginal reading follow manuscripts 
א B and a few other authorities in reading 
ἐλεᾶτε διακρινομένους, according to which 
διακρ. is probably to be referred to signification 3: 
R. V. text "on some have mercy, 
who are in doubt"].
2. to separate oneself in a hostile spirit, 
to oppose, strive with, dispute, contend: with the dative of person 
Jude 1:9 (Polybius 2, 22, 11 [cf. Winers Grammar, § 31, 1 g.; Buttmann, 177 (154)]; 
πρός τινα, 
Acts 11:2 (Herodotus 9, 58).
3. in a sense not found in secular authors, 
to be at variance with oneself, hesitate, doubt: 
Matthew 21:21; 
Romans 14:23; 
James 1:6; 
ἐν τῇ καρδία αὐτοῦ, 
Mark 11:23; 
ἐν ἑαυτῷ [i. e., 
-τοῖς], 
James 2:4 [others refer this to 1: 
do ye not make distinctions among yourselves]; 
μηδὲν διακρινόμενος, nothing doubting, 
i. e. wholly free from doubt, 
James 1:6; without any hesitation as to whether it be lawful or not, 
Acts 10:20 and according to R G in 
Acts 11:12; 
οὐ διεκρίθη τῇ ἀπιστίᾳ, he did not hesitate through lack of faith, 
Romans 4:20. 
    THAYER’S GREEK LEXICON, Electronic Database.
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