f/f/
Lift your bottom lip to touch the very bottom of your top front teeth. Blow air through this contact point without voicing.
How to pronounce function in American English
FUHNGK·shuhn
Start here
Americans pronounce function as FUHNGK-shuhn (/ˈfʌŋkʃən/). Stress falls on the first syllable — keep everything else short and quick. You'll hear it in sentences like "The study on muscle function was published last month" or "Proteins are essential for the structure and function of body tissues" — more examples below.
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Sound by sound
Every sound in "function".
2 syllables, 7 sounds. Tap a syllable to jump to its row, then explore each sound's mouth shape and how it's made.
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.
k/k/
Raise the back of your tongue to touch the soft palate (velum). Stop the air, then release.
sh/ʃ/
Flare your lips and lift the mid-front tongue close to the roof of your mouth. Blow air through 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.
In real conversation
Hear "function" in the wild.
Click any sentence to see the full breakdown — every link, every reduction, every flap-T.
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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
Releasing the final consonant with a puff of air.
In "function", the "k" is not released — the articulators get into position but hold without the burst of air. Air stops but there's no release burst — the articulators hold position.
function→FUHNGK·shuhn
02
Inserting a vowel before the syllabic consonant.
In "function", 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.
function→FUHNGK·shuhn
03
Stressing the wrong syllable.
Stress falls on the first syllable, not the others. Stretch FUHNGK — keep everything else short and quick.
fuhngk·SHUHN→FUHNGK·shuhn
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.
FUHNGK·SHUHN→FUHNGK·shuhn
Questions
Questions people ask about this.
How is "function" stressed in American English?
Stress falls on the first syllable — say "FUHNGK" with a longer, fuller vowel and keep every other syllable short and quick. The respell "FUHNGK-shuhn" marks the stressed syllable in capitals so the rhythm is easy to read at a glance.
Why does the second syllable in "function" 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 "FUHNGK-shuhn" shows the reduced form so you can hear the casual rhythm directly.
Is the American pronunciation of "function" 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 "FUHNGK-shuhn" reflects the casual American form; British dictionaries typically print a citation form with crisper consonants and different vowel choices.
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