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.
How to pronounce dolphin in American English
DAHL·fuhn
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Americans pronounce dolphin as DAHL-fuhn (/ˈdɑlfən/). The L in "dolphin" 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, a hallmark of natural-sounding American speech. It comes out as DAHL·fuhn. Stress falls on the first syllable — keep everything else short and quick. You'll hear it in sentences like "The dolphin gathered in a pod and swam near the boat".
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Sound by sound
Every sound in "dolphin".
2 syllables, 6 sounds. Tap a syllable to jump to its row, then explore each sound's mouth shape and how it's made.
ah/ɑ/
Relax your lips and drop your jaw significantly. The tongue tip lightly touches behind the bottom front teeth and the back part of the tongue presses down a little to create more dark space in the back of the mouth.
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.
f/f/
Lift your bottom lip to touch the very bottom of your top front teeth. Blow air through this contact point without voicing.
uh/ʌ/
Relax your lips, jaw, and tongue completely. Drop your jaw slightly and keep the tongue neutral.
n/n/
SyllabicThe schwa before N disappears — N becomes the vowel of the syllable. Go straight from the previous consonant to N.
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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 "dolphin" 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.
dolphin→DAHL·fuhn
02
Inserting a vowel before the syllabic consonant.
In "dolphin", the short unstressed vowel before "n" disappears — the schwa is absorbed and the "n" becomes the syllable nucleus on its own. Schwa is absorbed — consonant becomes the syllable nucleus.
dolphin→DAHL·fuhn
03
Stressing the wrong syllable.
Stress falls on the first syllable, not the others. Stretch DAHL — keep everything else short and quick.
dahl·FUHN→DAHL·fuhn
04
Pronouncing the unstressed syllable too fully.
Don't pronounce the first syllable too fully. The unstressed syllable reduces to a schwa — the lazy "uh" sound — in casual speech.
DAHL·FUHN→DAHL·fuhn
Questions
Questions people ask about this.
How is "dolphin" stressed in American English?
Stress falls on the first syllable — say "DAHL" with a longer, fuller vowel and keep every other syllable short and quick. The respell "DAHL-fuhn" marks the stressed syllable in capitals so the rhythm is easy to read at a glance.
Why does the second syllable in "dolphin" 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 "DAHL-fuhn" shows the reduced form so you can hear the casual rhythm directly.
Is the American pronunciation of "dolphin" 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 "DAHL-fuhn" reflects the casual American form; British dictionaries typically print a citation form with crisper consonants and different vowel choices.
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