Lexical Definition

‎καιρός‎ kairós (kahee-ros') time/right time ^G:N-M
of uncertain affinity

X always, opportunity, (convenient, due) season, (due, short, while) time, a while.

• an occasion, i.e. set or proper time

Abbott-Smith

καιρός, -οῦ, ὁ, [in LXX chiefly for עֵת, also for מוֹעֵד, etc.;]
1. due measure, fitness, proportion (Eur., Xen., al.).
2. Of Time (cl. also) in the sense of a fixed and definite period, time, season (Kennedy, Sources, 153): Mt 11:25, Mk 1:15, Lk 21:8, Ro 13:11, Eph 6:18, He 11:15, I Pe 1:5, 11, Re 1:3, al.; c. gen., πειρασμοῦ, Lk 8:13; τ. καρπῶν, Mt 21:34; σύκων, Mk 11:13; pl., Mt 21:41; χρόνοι ἢ (καὶ) κ., Ac 1:7, I Th 5:1; ἐθνῶν, Lk 21:24; of opportune or seasonable time, Ac 24:25, Ga 6:10, Eph 5:16, Col 4:5; c. inf., He 11:15; ὁ κ. οὗτος, Mk 10:30, Lk 18:30; ὁ νῦν κ. (Dalman, Words, 148), Ro 8:18; ὁ κ. ὁ ἐμός, Jo 7:6; κ. δεκτῲ, II Co 6:2(LXX); δουλεύειν τῷ κ., Ro 12:11, R, mg.; τ. σημεῖα τῶν κ., Mt 16:3; adverbial usages: ἐν κ., Mt 24:45, I Pe 5:6 (cf. καιρῷ, Lk 20:10; τῷ κ., Mk 12:2); ἄχρι καιροῦ, Lk 4:13; πρὸς καιρόν, Lk 8:13, I Co 7:5; κατὰ καιρόν, Ro 5:6; πρὸ καιροῦ, Mt 8:29.
SYN.: χρόνος, time in the sense of duration.

Abbott-Smith References

Liddell-Scott-Jones

καιρός, ὁ,

due measure, proportion, fitness (not in [Refs 8th c.BC+]; εἰ ὁ κ. ἦν σαφής the distinction, the point, [Refs 5th c.BC+]; ἡ ἀπορία ἔχει τινὰ κ. has some point or importance, [Refs 4th c.BC+]; καιροῦ πέρα beyond measure, unduly, [Refs 5th c.BC+] codices; προσωτέρω or πορρωτέρω τοῦ κ., [Refs 5th c.BC+]; ὀξύτερα τοῦ κ. [Refs 5th c.BC+]; ὑπερβάλλων τῇ φιλοτιμίᾳ τὸν κ. [Refs 5th c.BC+]

__II of Place, vital part of the body [Refs 5th c.BC+]
__III more frequently of Time, exact or critical time, season, opportunity, Χρόνου κ. [Refs 5th c.BC+]: usually alone, κ. [ἐστιν] ἐν ᾧ Χρόνος οὐ πολὺς κτλ. [Refs 5th c.BC+] Notices etextr. des MSS. médicaux[Refs 5th c.BC+]; κ. πρὸς ἀνθρώπων βραχὺ μέτρον ἔχει 'time and tide wait for no man', [Refs 5th c.BC+]; κ. ὄλβου, ={καίριος ὄλβος}, [Refs]; δηλοῦν, ὅ τι περ δύναται κ. [Refs 5th c.BC+]; τίνα κ. τοῦ παρόντος βελτίω ζητεῖτ; [Refs 4th c.BC+]; κ. δόσιος for giving, [Refs 5th c.BC+]; κ. τοῦ ποτισμοῦ, τῆς τρύγης, [Refs 4th c.BC+]; καιρὸν παριέναι to let the time go by, [Refs 5th c.BC+]; καιροῦ (τοῦ κ.) τυχεῖν [Refs 5th c.BC+]; καιρῷ Χειμῶνος ξυλλαβέσθαι co-operate with the occurrence of a storm, [Refs 5th c.BC+]; ἔχει κ. τι it happens in season, [Refs 5th c.BC+]; κ. ἔχειν τοῦ εὖ οἰκεῖν to be the chief cause of.., [καιρός ἐστι προβοηθῆσαι 5th c.BC: Herodotus Historicus 8.144, compare 4th-5th c.BC: Aeschylus Tragicus “Prometheus Vinctus” 523, etc.; νῦν κ. ἔρδειν 5th c.BC: Sophocles Tragicus “Electra” 1368: sometimes with \_Article\_, ἀλλ᾽ ἔσθ᾽ ὁ κ... ξένους.. τυγχάνειν τὰ πρόσφορα 4th-5th c.BC: Aeschylus Tragicus “Choephori” 710; ὁ κ. ἐστι μὴ μέλλειν ἔτι 5th-6th c.BC: Aristophanes Comicus “Thesmophoriazusae” 661, compare “Pl.” 255. ">Refs 5th c.BC+]
__III.b adverbial phrases, ἐς καιρόν in season, [Refs 5th c.BC+]; ἐς αὐτὸν κ. [Refs 5th c.BC+]; εἰς δέοντα κ. [Refs 5th c.BC+] in office at the time, [Refs 2nd c.AD+]; παρὰ τῷ ἐντυχόντι αἰεὶ καὶ λόγου καὶ ἔργου κ. [Refs 5th c.BC+]; καιρόν, absolutely, [Refs 5th c.BC+]; κ. γὰρ οὐδὲν ἦλθες [Refs]; opposed to ἀπὸ καιροῦ out of season, [Refs 5th c.BC+]; πρὸ καιροῦ prematurely, [Refs 4th c.BC+]; ἐπὶ καιροῦ also means on the spur of the moment, ἐπὶ κ. λέγειν [Refs 1st c.AD+]
__III.2 season, πᾶσιν καιροῖς at all seasons of the year, [LXX+1st c.AD+]; κ. ἔτους, later Gr. for Attic dialect ὥρα ἔτους, accusative to [Refs 2nd c.AD+]; time of day, [Refs 2nd c.AD+]
__III.2.b critical times, periodic states, καιροὶ σωμάτων [Refs 4th c.BC+]
__III.3 generally, time, period, κατὰ τὸν κ. τοῦτον [Refs 4th c.BC+]; τὰ κατὰ καιρούς chronological sequence of events, [Refs]; ἐν τοῖς πάλαι, ἐντοῖς μεταξὺ κ., [Refs 5th c.BC+]
__III.4 in plural, οἱ καιροί the times, i. e. the state of affairs, frequently in bad sense, ἐν τοῖς μεγίστοις κ. at the most critical times, [Refs 5th c.BC+]: also in singular, [Refs 5th c.BC+]; ὁ ἔσχατος κ. extreme danger, [Refs 2nd c.BC+]
__IV advantage, profit, τινος of or from a thing, [Refs 5th c.BC+]; εἴ τοι ἐς κ. ἔσται ταῦτα τελεόμενα to his advantage, [Refs 5th c.BC+]; ἐπὶ σῷ κ. [Refs 5th c.BC+]; τίνα κ. με διδάσκει; [Refs 4th c.BC+]; τί σοι καιρὸς.. καταλείβει; what avails it..? [Refs 5th c.BC+]; τίνος εἵνεκα καιρο; [Refs 4th c.BC+]; οὗ κ. εἴη where it was convenient or advantageous, [Refs 5th c.BC+]; Χωρίον μετὰ μεγίστων κ. οἰκειοῦταί τε καὶ πολεμοῦται with the greatest odds, the most critical results, [Refs]
__V [Refs 4th c.BC+] name for seven, [Refs]

_{LSJ Scripture Refs: LXX.Gen.1.14}