b/b/
Press your lips together, add vocal cord vibration, then release.
How to pronounce bouldering in American English
BOHL·der·uhng
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Americans pronounce bouldering as BOHL-der-uhng (/ˈboʊldərɪŋ/). The L in "bouldering" is a dark L — the back of the tongue rises toward the soft palate, adding a small "uh" quality before the L. This is called the Dark L vs Light L, and it's one of the defining features of casual American English. It comes out as BOHL·der·uhng. Stress falls on the first syllable — keep everything else short and quick. You'll hear it in sentences like "He enjoys rock climbing and bouldering at the local gym".
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Sound by sound
Every sound in "bouldering".
3 syllables, 7 sounds. Tap a syllable to jump to its row, then explore each sound's mouth shape and how it's made.
oh/oʊ/
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.
l/l/
DarkKeep the tongue tip down and pull the back of the tongue up toward the throat. The 'dark' sound comes from the back.
d/d/
Touch the tip of your tongue to the roof of your mouth just behind your teeth. Add vocal cord vibration as you release.
er/ər/
Relax your mouth and lift the tongue back and up. Keep the lips neutral.
uh/ʌ/
Relax your lips, jaw, and tongue completely. Drop your jaw slightly and keep the tongue neutral.
ng/ŋ/
Lift the back of your tongue to the soft palate. Lower your soft palate to let air flow through your nose.
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Watch out
Common pronunciation mistakes in American English.
The textbook way isn't wrong — it's just not how anyone actually says it.
01
Treating every L the same.
The L in "bouldering" is a dark L — the back of the tongue rises toward the soft palate, adding a small "uh" quality before the L. Dark L adds a small schwa-like "uh" before the L. The back of the tongue lifts toward the soft palate.
bouldering→BOHL·der·uhng
02
Stressing the wrong syllable.
Stress falls on the first syllable, not the others. Stretch BOHL — keep everything else short and quick.
bohl·DER·UHNG→BOHL·der·uhng
03
Pronouncing the unstressed syllable too fully.
Don't pronounce the second syllable too fully. The unstressed syllable reduces to a schwa — the lazy "uh" sound — in casual speech.
BOHL·der·UHNG→BOHL·der·uhng
04
Pronouncing the "R" too clearly.
Americans use a relaxed retroflex R — the tongue curls back rather than rolling. The R is one continuous sound with the vowel before it, not two separate sounds.
… (no R)→… r (curl the tongue)
Questions
Questions people ask about this.
How is "bouldering" stressed in American English?
Stress falls on the first syllable — say "BOHL" with a longer, fuller vowel and keep every other syllable short and quick. The respell "BOHL-der-uhng" marks the stressed syllable in capitals so the rhythm is easy to read at a glance.
Why does the third syllable in "bouldering" reduce to "uh"?
Unstressed syllables in American English collapse toward a schwa — a lazy, neutral "uh" sound. The full vowel is what textbooks teach, but in actual American speech every unstressed vowel reduces. The respell "BOHL-der-uhng" shows the reduced form so you can hear the casual rhythm directly.
How do I pronounce the R in "bouldering"?
Americans use a relaxed retroflex R: the tongue curls back rather than rolling, and the R is one continuous sound with the vowel before it — not two separate sounds. Don't try to pronounce a separate vowel followed by a separate R. Treat them as a single shape.
Is the American pronunciation of "bouldering" different from British English?
American English uses different vowel shapes, a relaxed retroflex R, and connected-speech tricks like flap-T and glottal-stop T that British Received Pronunciation generally avoids. The respell "BOHL-der-uhng" reflects the casual American form; British dictionaries typically print a citation form with crisper consonants and different vowel choices.
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