How to pronounce assembly in American English

IPA /əˈsɛmbli/ Syllables 3 · uh·sehm·blee Stress 2nd syllable
uh·SEHM·blee
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Americans pronounce assembly as uh-SEHM-blee (/əˈsɛmbli/). The unstressed syllable reduces to a lazy schwa — almost a quick "uh" — instead of being pronounced fully. Stress falls on the second syllable — keep everything else short and quick.

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Common mistakes

Stressing the wrong syllable.

Stress falls on the second syllable, not the others. Stretch SEHM — keep everything else short and quick.

Pronouncing the first 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.

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Why it sounds different

Why "assembly" sounds like uh·SEHM·blee.

Between "" and "", a brief "" glide bridges the two vowels for smooth flow. This is called the Vowel-to-Vowel Linking, a tiny act of laziness that makes the rhythm feel right. It comes out as uh·SEHM·blee.

In real conversation

Hear "assembly" in the wild.

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

"The court upheld the right to peaceful assembly and protest."
dhuh KORT uhp·HEHLD dhuh RAHYT tuh PEES·fuhl uh·SEHM·blee and pruh·TEHST
"The foreign minister addressed the assembly about the crisis."
dhuh FOR·uhn MIH·nuh·ster uh·DREHST dhee uh·SEHM·blee uh·BOWT dhuh KRAHY·suhs
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 second syllable, not the others. Stretch SEHM — keep everything else short and quick.

UH·sehm·BLEEuh·SEHM·blee
02

Pronouncing the first 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.

UH·SEHM·bleeuh·SEHM·blee
Questions

Questions people ask about this.

How is "assembly" stressed in American English?
Stress falls on the second syllable — say "SEHM" with a longer, fuller vowel and keep every other syllable short and quick. The respell "uh-SEHM-blee" marks the stressed syllable in capitals so the rhythm is easy to read at a glance.
Why does the first syllable in "assembly" 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 "uh-SEHM-blee" shows the reduced form so you can hear the casual rhythm directly.
Is the American pronunciation of "assembly" 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 "uh-SEHM-blee" reflects the casual American form; British dictionaries typically print a citation form with crisper consonants and different vowel choices.

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