Quick Definition
immediately, soon
Strong's Definition
directly, i.e. at once or soon
Derivation: adverb from G2117 (εὐθύς);
KJV Usage: anon, as soon as, forthwith, immediately, shortly, straightway
Thayer's Greek Lexicon
εὐθέως, adverb (from εὐθύς), straightway, immediately, forthwith: Mat_4:20; Mat_4:22; Mat_8:3, and often in the historical books, especially Mark's Gospel (where, however, T Tr WH have substituted εὐθύς in some 35 out of 41 cases); elsewhere only in Gal_1:16; Jas_1:24; Rev_4:2, (for τΔΜϊΐΰΙν, Job_5:3). shortly, soon: 3Jn_1:14. (From Sophocles down.)
Mounce Concise Greek Dictionary
εὐθέως eutheōs 36x
immediately, instantly, at once, Mat_8:3 ; Mat_13:5 immediately.
Abbott-Smith Greek Lexicon
εὐθέως ,
adv.
( < εὐθύς ),
[in LXX : Job_5:3 ( H6597 ), Wis_5:12 , 1Ma_11:12 , al. ;]
straightway, at once, directly: Gal_1:16 , Jas_1:24 , 3Jn_1:14 ( cf. Dalman, Words , 28 f .), Rev_4:2 , and freq . in Mt, Lk, Jo, Ac (in Mk, εὐθύς ), q.v. ).
Moulton & Milligan — Vocabulary of the Greek NT
εὐθέως [page 261]
εὐθέως , the more common Hellenistic form for εὐθύς and εὐθύ , is found before both vowels and consonants : cf. Schmid Atticismus iii. p. 126 and Mayser Gr. p. 245. The following may serve as exx. of its use P Par 63 xi. 55 (B.C. 165) ἠβου [λόμ ]ην μὲν εὐθέως καταπλεύσας ὀφθῆ [ν ]αί σοι κατὰ τὸ ἐπιβάλλον , P Tebt I. 39 .10 (B.C. 114) εὐθέως παραλαβὼν Τρύχαμβον , P Ryl II. 229 .9 (A.D. 38) ἐρωτῶ σε ἐκ παντὸς τρόπου εὐθέως μοι πέ [μ ]ψαι τὰς ἄλλας (ἀρτάβας ) γ̄ , ib. 230 .10 (A.D. 40) μὴ [ο ]ὖν ἄλλως ποιή [σ ]ῃ (ς ) μὴ ἵνα δόξωμέν σε εὐθέως ἠλλάχθαι τὰ πρὸς ἡμᾶς , do not neglect this, lest we think you to have become all at once estranged towards us (Edd.), P Fay 119 .34 ( c. A.D. 100) εὐθέος πέμσις τὰ κτήνη , send the animals at once, and BGU II. 423 .8 (ii/A.D.) (= Selections , p. 91) εὐθέως ὅτε εἰσῆλθον εἰς Μησηνούς , ἔλαβα βιάτικον παρὰ Καίσαρος χρυσοῦς τρεῖς , straightway when I entered Misenum, I received my travelling money from Caesar, three gold pieces.
Liddell-Scott — Intermediate Greek Lexicon
εὐθέως [Etym: adverb of εὐθύς, q. v.]
STEPBible — Tyndale Abridged Greek Lexicon
εὐθέως
adv. (εὐθύς), [in LXX: Job.5:3 (פִּתְאוֹם), Wis.5:12, 1Ma.11:12, al. ;]
straightway, at once, directly: Gal.1:16, Jas.1:24, 3Jn.14 (cf. Dalman, Words, 28 f.), Rev.4:2, and frequently in Mt, Lk, Jo, Ac (in Mk, εὐθύς), which see)
(AS)