American English sound
OO /u/
Learn how to hear and produce the OO sound with IPA, simple spelling, example audio, and coaching videos.
Watch the sound
Inside the mouth
Close-up example
Full coaching video

Master the OO soundWatch full coaching video (1:21)
How to Make the OO Sound
Mouth
Tongue
Lift the of the tongue high towards the (back)
Lips
The lips should be tightly rounded and protruding