#1820 ἐξαπορέομαι exaporeomai {ex-ap-or-eh'-om-ahee}

 middle voice from G1537 and G0639; TDNT - n/a; v

—Greek Word Study (Transliteration-Pronunciation Etymology & Grammar)

 1) to be utterly at loss, be utterly destitute of measures or
    resources, to renounce all hope, be in despair

—Thayer's (New Testament Greek-English Lexicon)

—Strong's (Greek Dictionary of the New Testament)

—NAS Exhaustive Concordance of the Bible with Hebrew-Aramaic and Greek Dictionaries

 AV - despair 1, in despair 1; 2

—Exhaustive Concordance (KJV Translation Frequency & Location)