s/s/
Place your tongue tip near the roof of your mouth behind your top teeth. Push air through the narrow gap. No voicing.
How to pronounce stimulus in American English
STIH·myuh·luhs
Start here
Americans pronounce stimulus as STIH-myuh-luhs (/ˈstɪmjələs/). Stress falls on the first syllable — keep everything else short and quick. You'll hear it in sentences like "The government implemented stimulus measures to boost the economy".
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Sound by sound
Every sound in "stimulus".
3 syllables, 9 sounds. Tap a syllable to jump to its row, then explore each sound's mouth shape and how it's made.
t/t/
Touch the tip or front edge of your tongue to the roof of your mouth just behind your teeth. Keep your jaw relaxed. Stop the air, then release with a puff.
ih/ɪ/
Drop your jaw slightly with relaxed lips. Touch the tongue tip behind the bottom front teeth and arch the top-front toward the roof.
m/m/
Press your lips together. Air flows through your nose. Vocal cords vibrate.
y/j/
Lift the middle of your tongue toward the roof of your mouth, but stop just short of touching. /j/ is an approximant, not a stop. The tongue tip stays down, lightly resting near the back of your bottom front teeth. Voice runs through the whole gesture, and the tongue glides smoothly down into the next vowel. The lips stay neutral or pre-shape for the upcoming vowel (rounding early for OO in <em>youth</em>, for example).
uh/ʌ/
Relax your lips, jaw, and tongue completely. Drop your jaw slightly and keep the tongue neutral.
l/l/
SyllabicThe schwa before L disappears — L becomes the vowel of the syllable. Go straight from the previous consonant to a Dark L.
uh/ʌ/
Relax your lips, jaw, and tongue completely. Drop your jaw slightly and keep the tongue neutral.
s/s/
Place your tongue tip near the roof of your mouth behind your top teeth. Push air through the narrow gap. No voicing.
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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
Stressing the wrong syllable.
Stress falls on the first syllable, not the others. Stretch STIH — keep everything else short and quick.
stih·MYUH·LUHS→STIH·myuh·luhs
02
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.
STIH·MYUH·luhs→STIH·myuh·luhs
Questions
Questions people ask about this.
How is "stimulus" stressed in American English?
Stress falls on the first syllable — say "STIH" with a longer, fuller vowel and keep every other syllable short and quick. The respell "STIH-myuh-luhs" marks the stressed syllable in capitals so the rhythm is easy to read at a glance.
Why does the second syllable in "stimulus" 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 "STIH-myuh-luhs" shows the reduced form so you can hear the casual rhythm directly.
Is the American pronunciation of "stimulus" 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 "STIH-myuh-luhs" reflects the casual American form; British dictionaries typically print a citation form with crisper consonants and different vowel choices.
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