Quick Definition
diligent, earnest
Strong's Definition
prompt, energetic, earnest
Derivation: from G4710 (σπουδή);
KJV Usage: diligent
Thayer's Greek Lexicon
σπουδαῖος, σπουδαῖα, σπουδαῖον (σπουδή), from Herodotus down, active, diligent, zealous, earliest: ἐν τίνι, 2Co_8:22; comparitive σπουδαιότερος, 2Co_8:17 (Winers Grammar, 242f (227)), 22 (Winers Grammar, § 35, 1); neuter as adverb (Latinstudiosius), very diligently (cf. Buttmann, § 123, 10), 2Ti_1:17 R G.
Mounce Concise Greek Dictionary
G4705, G4706, G4707
σπουδαῖος spoudaios 3x
earnest, eager, forward, zealous, 2Co_8:17 ; 2Co_8:22 (2x)
Abbott-Smith Greek Lexicon
σπουδαῖος , -α , -ον
( < σπουδή ),
[in LXX : Eze_41:25 * ;]
in haste; hence, zealous, eager, diligent, earnest: seq . ἐν , 2Co_8:22 ; compar ., -οτεροσς 2Co_8:17 (here in superl . sense, v. Bl., § 44, 3) 2Co_8:22 .†
Moulton & Milligan — Vocabulary of the Greek NT
σπουδαῖος [page 585]
zealous, earnest : P Ryl II. 243 .7 (ii/A.D.) νῦν ἐπιστάμεθά σου τὸ σπουδαῖον κ̣α̣ὶ ὡς ἐπίκεισαι τοῖς ἔργοις τοῦ κλήρου , we now know your zeal and attentiveness to the work of the holding (Edd.). The adj. with the corr. verb and noun are all seen in P Flor III. 338 .8 ff. (iii/A.D.) ἄλλον γὰρ σπουδαῖον οὐκ ἔχωμεν μετὰ τοῦτον , ὥστε , ἄδελφε , σπούδασον· καὶ νῦν τάχα ἡ σὴ σπουδὴ καὶ φιλοστοργεία κατανεικήσῃ τὴν ἐμὴν . . . ἀκαιρείαν . Σπουδαῖος is used in the wider sense of good in P Oxy I. 117 .12 (ii/iii A.D.) σπέρματα σικυδίων σπουδαῖα ἔπεμψα ὑμεῖν , I send you some good melon seeds (Edd.), ib. VI. 929 .3 (ii/iii A.D.) εἰδώς σου τὸ [σ ]πουδε (= αῖ )ον τὸ πρὸς πάντας , knowing your goodness to all (Edd.), and similarly ib. VII. 1064 .7 (iii/A.D.).
Liddell-Scott — Intermediate Greek Lexicon
σπουδαῖος σπουδαῖος, η, ον [Etym: σπουδή] of persons, "earnest, serious", Xen. ; "active, zealous", Plut. "good, excellent", Hdt. , Plat. ; σπουδαῖος τὴν τέχνην Xen. of men "of character and importance", id=Xen. in moral sense, "good", opp. to πονηρός, id=Xen. of things, "worth one's serious attention, serious, weighty", Theogn. , Hdt. , attic "good" of its kind, "excellent", Hdt. , etc. adv. σπουδαίως, "seriously, earnestly, well", Xen. , etc.:—comp., -ότερον, id=Xen. ; Sup. -ότατα, "most carefully, in the best way", Hdt. —There are also irreg. comp. and Sup. σπουδαι-έστερος, -έστατος.
STEPBible — Tyndale Abridged Greek Lexicon
σπουδαῖος, -α, -ον
(σπουδή), [in LXX: Eze.41:25 * ;]
in haste; hence, zealous, eager, diligent, earnest: before ἐν, 2Co.8:22; compar., -οτεροσς 2Co.8:17 (here in superl. sense, see Bl., § 44, 3) 2Co.8:22.†
(AS)