← Greek Word-Study Library
οὐ / οὐκ / οὐχ
OO
not
negative particle with indicative mood
Appears 1623× in the Greek New Testament — among the most common words in the Greek New Testament.

In the New Testament

οὐ before consonants, οὐκ before vowels, οὐχ before rough-breathing vowels.

Memory Hook

OO — "OO, NOT happening!" — shocked refusal.

Further Reading

Master all 150 core Greek words.

These 150 words are the Koine Greek core — MasteryHelp drills them with spaced repetition that schedules what you're about to forget, and cards that keep coming back until you've proven you know them. Free during early access.

Start Learning Free Learn more about MasteryHelp →