Quick Definition
ἀκριβέστατος Adj most exact, strict
Strong's Definition
most exact
Derivation: superlative of (a derivative of the same as G206 (ἄκρον));
KJV Usage: most straitest
UBS Dictionary of the Greek New Testament
adjc. | -ές | ἀκριβόω
72.19 · True, False · Accurate, Inaccurate
accurate, accurately, strict, strictly pertaining to strict conformity to a norm or standard, involving both detail and completeness
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Thayer's Greek Lexicon
ἀκριβής, -€s, zen. -ods, exact, careful. The neut. compar. | is used adverbially in Acts xviii. 26; xxiii. 15, 20; xxiv. 22; ἡ ἀκριβεστάτη αἵρεσις the straitest sect i.e. the most precise and rigorous in interpreting the Mosaic law, and in observing even the more minute precepts of the law and of tradition, Acts xxvi. 5. [From Hdt. down.]
Mounce Concise Greek Dictionary
ἀκριβής akribēs 1x
exact, strict, Acts 26:5*
Abbott-Smith Greek Lexicon
ἀκριβής, -ές
[in LXX: Da LXX 2:45 6:12 (יַצִּיב) Da 4:25, Es 4:5, Si 18:29 19:25 31:24 32:3*;]
exact, precise, careful, of things and persons: superl., Ac 26:5.†
Moulton & Milligan — Vocabulary of the Greek NT
ἀκριβής. In P Oxy VI. p. 226 part of a document is given which forms the first column of no. 899 (A.D. 200): ὅπως ἐξετάσαντίες) κατὰ Td ἀκρειβέστερον τῷ (a gap follows). This is a good example of an elative comparative (Pro/eg. pp. 78 and 236), for the meaning is clearly ‘‘ having mos? carefully | A late iv/a.p. in- | examined”: cf. also P Petr II. 168. scription, Sy// 42315, has βρέβιον ( = dreve, a précis) τῶν εἰρημένων ἁπάντων ἀκρειβῆ διδασκαλίαν ἐπέχον. The | neuter as ἃ noun occurs in the Magnesian inscr. Sy// 929%" > ακροθίνιον (1i/B.C.) τῶι μὲν ἀκριβεῖ τῆς ψήφου βραβευθῆναι τὴν κρίσιν οὐκ ἠβουλόμεθα, of counting a vote exactly; and P Tebt II. 2871} (A.D. 161-9) Td ἀκρειβὲς μάθῃς. The adverb is treated separately below.
Liddell-Scott-Jones — Greek-English Lexicon
ἀκριβέστατος (akribestatos) — strictest. Related to: ἀκρῑβ-ής, ές, exact, accurate, precise, [Refs 5th c.BC+]; τριταῖος returning precisely at its time, [Refs]; γαλήνη complete calm, [Refs 4th c.AD+]
II. of persons, precise, strict, δικασταί[Refs 5th c.BC+]; ἀ. τοῖς ὄμμασι sharp- sighted, [Refs 3rd c.BC+]; of arguments, [Refs 5th c.BC+]; τὸ ἀ., ={ἀκρίβεια}, [Refs 5th c.BC+]adverb -βῶς to a nicety, precisely, ἀ. εἰδέναι, ἐπίστασθαι, καθορᾶν, μαθεῖν, etc., [Refs 5th c.BC+]; opposed to ἁπλῶς, [Refs 5th c.BC+]; opposed to τύπῳ (in outline, roughly), [Refs 4th c.BC+]: comparative -έστερον[NT+5th c.BC+]: superlative -έστατα[Refs 5th c.BC+]; ἀ. καὶ μόλις with greatest difficulty, [Refs 1st c.AD+] —also οὐκ εἰς ἀκριβὲς ἦλθες at the right moment, [Refs 5th c.BC+]
II.2. in the strict sense of the word, ὁ ἀ. ἰατρός[Refs 5th c.BC+]
II.2. b pure-bred, genuine, Κόλχος[Refs 4th c.AD+]
II.2. c Astron., true, opposed to φαινόμενος, [Refs 5th c.AD+]
II.3. parsimonious, stingy, ἀ. τοὺς τρόπους[Refs 4th c.BC+]. adverb -βῶς, διαιτᾶσθαι[Refs 5th c.BC+] —Rare except in _Attic dialect_, mostly Prose. (The sense points to ἄκρος as the first part of the word, but -ῑβης remains uncertain)