LSJ
ον, immediate, Ph. 2.58, al., Dsc. Ther. Praef. Adv. ἀνυπερθέτως forthwith, without delay, BGU 1167.51 (i BC), LXX 3 Ma. 5.20, IG 3.77, Ph. 1.599, etc.
unsurpassed by, c. dat., Democr. 275; incomparable, [Philol.] 21.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)
Pape
ohne Aufschub, plötzlich, θάνατος Sp.
• Adv., inscr. 523 ; D.L.
Pape, Griechisch-deutsches Handwörterbuch (3. Aufl., 1914)
TBESG
incomparable (MT)
Translators Brief lexicon of Extended Strongs for Greek based on Abbot-Smith, A Manual Greek Lexicon of the New Testament (1922) (=AS), with corrections and adapted by Tyndale Scholars