Quick Definition
most swiftly
Strong's Definition
most quickly, i.e. (with G5613 (ὡς) prefixed) as soon as possible
Derivation: neuter plural of the superlative of G5036 (ταχύς) (as adverb);
KJV Usage: + with all speed
Thayer's Greek Lexicon
τάχιστα (neuter plural of the superlative ταχιστος, from ταχύς), adverb (from Homer down), very quickly: ὡς τάχιστα, as quickly as possible (A. V. with all speed), Act_17:15.
Mounce Concise Greek Dictionary
G5030, G5032, G5033
ταχέως tacheōs 15x
adverb of ταχύς , quickly, speedily ;
soon, shortly, 1Co_4:19 ; Gal_1:6 ;
hastily, Luk_14:21 ; Luk_16:6 ;
with inconsiderate haste, 1Ti_5:22 quickly; soon.
Abbott-Smith Greek Lexicon
ταμχιστα
Neuter plural of the superlative of G5036 (as adverb);
STEPBible — Tyndale Abridged Greek Lexicon
τάχιστα, see: ταχύ.
ταχύ
(neut. of ταχύς),
adv., [in LXX chiefly for מָהַר pi. ;]
quickly, speedily, forthwith: Mat.5:25 28:7-8, Mrk.9:39, Luk.15:22, Jhn.11:29, Rev.2:16 3:11 11:14 22:7, 12 22:2 o. Compar., τάχειον (T, Rec. τάχιον), = cl. θᾶσσον, θᾶττον (Att..), (see Bl., § 44, 3): Jhn.13:27 20:4, 1Ti.3:14 (T, Rec.), Heb.13:19, 23 Superl., τάχιστα: ὡς τ., as quickly as possible (BL, § 11, 3), Act.17:15.†
(AS)