Press your lips together, add vocal cord vibration, then release.

Americans pronounce both as BOHTH (/boʊθ/). You'll hear it in sentences like "Both teeth" or "Both of them are healthy and strong" — more examples below.
Record yourself saying "both" and play it back. The mic stays on your device — nothing's uploaded.
1 syllable, 3 sounds. Explore each sound's mouth shape and how it's made.
Press your lips together, add vocal cord vibration, then release.

Start with your mouth slightly open, then close your jaw slightly as your lips round. Shift your tongue back slightly, then stretch the back up.
Place the very tip of your tongue slightly between your teeth. Blow air gently around it without voicing.

Click any sentence to see the full breakdown — every link, every reduction, every flap-T.