Raise the back of your tongue to touch the soft palate. Add vocal cord vibration, then release.

Americans pronounce guess as GEHS (/gɛs/). You'll hear it in sentences like "Yes, I guess so" or "I had to guess some of the answers" — more examples below.
Record yourself saying "guess" 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.
Raise the back of your tongue to touch the soft palate. Add vocal cord vibration, then release.

Drop your jaw moderately. Touch the tongue tip behind the bottom front teeth and lift the mid-front part slightly toward the roof.

Place your tongue tip near the roof of your mouth behind your top teeth. Push air through the narrow gap. No voicing.

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