Dictionary entry

ὑπερεκπερισσῶς

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

*† ὑπερ-εκ-περισσῶς,

comp. adv. (v. supr.),

beyond measure, exceedingly: I Th 5:13, WH, mg. (cf.ἐκπερισσῶς).†