Quick Definition
ἕξις, εως, ἡ n.f. condition, state, habit
Strong's Definition
from 2192; habit, i.e. (by implication) practice
KJV Usage: use
UBS Dictionary of the Greek New Testament
noun, f. | -εως | ἔχω
42.10 · Perform, Do · Do, Perform
practice, doing again and again, doing repeatedly a repeated activity In a number of languages, however, it may be necessary to restructure this second part of HEB 5:14 and translate as follows: ‘since they have often judged between good and evil, their abilities to do so are well-trained’ or ‘... they are well qualified to do so’ or ‘... they can easily and correctly do so.’
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Thayer's Greek Lexicon
ἕξις, -ews, ἡ, (ἔχω, fut. ἔξω), a habit, whether of body or of mind (Xen., Plat., Aristot., al.) ; @ power acquired by custom, practice, use, (“firma quaedam facilitas, quae apud Graecos és nominatur,” Quint. 10, 1 init.); so Heb. y. 14, (ἐν τούτοις ἱκανὴν Ew περιποιησάμενος, Sir. prol. 7 ; ἕξιν ἔχειν γραμματικῆς, Polyb. 10,47, 7; ἐν τοῖς πολεμικοῖς, 21, 7, 3; ἐν ἀστρολογίᾳ μεγίστην ἕξιν ἔχειν, Diod. 2, 31; λογικὴν ἔξιν περιποιούμενος, Philo, alleg. lege. 1, 4).
Mounce Concise Greek Dictionary
ἕξις hexis 1x
a condition of body or mind, strictly, as resulting from practice; habit, Heb. 5:14*
Abbott-Smith Greek Lexicon
† ἕξις, -εως, ἡ
(< ἔχω), [in LXX, cf. Si, prol. 9 ;]
habit, use, experience: He 5:14.†
Liddell-Scott-Jones — Greek-English Lexicon
ἕξις (hexis) — habit/practice. ἕξις, εως, ἡ, (ἔχω):
I. (ἔχω transitive) having, being in possession of, possession, ἐπιστήμης ἕ., opposed to κτῆσις, [Refs 5th c.BC+]; opposed to στέρησις,[Refs 2nd c.AD+]
I.2. in surgery, posture, [Refs 5th c.BC+]
II. (ἔχω intransitive) a being in a certain state, a permanent condition as produced by practice (πρᾶξις), different from σχέσις (which is alterable) (see. below):
II.1. state or habit of body, [Refs 5th c.BC+]; ἕ. ὑγιεινή (so also [Refs 5th c.BC+]: generally, condition, ἐν ἕξει τοῦ δρᾶν [Refs 5th c.BC+]; outward appearance, ἡ ἕ. τοῦ σώματος κρείσσων [LXX+2nd c.AD+]; habit of a vine, [Refs 4th c.BC+]; of material objects, ὑπὸ μιᾶς ἕξεως συνέχεσθαι [Refs 1st c.AD+]
II.1. b medical, the system, [Refs 2nd c.AD+]
II.2. state or habit of mind, ἕ. κακίης [Refs 5th c.BC+]; ἡ ἐν τῇ ψυχῇ ἕ., opposed to ἡ τῶν σωμάτων ἕ., [Refs][same place]; πονηρᾶς ψυχῆς ἕξει[Refs]
II.2. b especially acquired habit, opposed to ἐνέργεια, [Refs 4th c.BC+]
II.3. trained habit, skill, [Refs 5th c.BC+]; τέχνη defined as ἕ. ἢ διάθεσις ἀπὸ παρατηρήσεως [Refs 5th c.BC+] (Almost confined to Prose, but[Refs 5th c.AD+]