STRONG'S WORD STUDY

G1964 — ἐπιορκέω

epiorkeō · to break an oath · Greek

ἐπιορκέω, -ῶ (ἐπίορκος), [in LXX: I Est.1:48, Wis.14:28 * ;] to swear falsely, forswear oneself: Mat.5:33.† (AS)

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1 tagged verse occurrence

Matthew 5:33 · ἐπιορκήσεις,Again, ye have heard that it hath been said by them of old time, Thou shalt not forswear thyself, but shalt perform unto the Lord thine oaths: