k/k/
Raise the back of your tongue to touch the soft palate (velum). Stop the air, then release.
How to pronounce collision in American English
kuh·LIH·zhuhn
Start here
Americans pronounce collision as kuh-LIH-zhuhn (/kəˈlɪʒən/). Stress falls on the second syllable — keep everything else short and quick. You'll hear it in sentences like "Confusion and illusion caused a collision".
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Sound by sound
Every sound in "collision".
3 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.
l/l/
Place the tip of your tongue against the alveolar ridge just behind your top front teeth, the same contact point as /t/, /d/, and /n/. The difference is what happens to the air: for /l/, you let it flow continuously around the <em>sides</em> of the tongue (that's why /l/ is called a lateral). Turn your voice on the whole time. Lips stay relaxed, no rounding or flaring. For the Dark L variant at the end of a syllable, also pull the back of the tongue up and back toward the soft palate.
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.
zh/ʒ/
Flare your lips and lift the mid-front tongue close to the roof of your mouth. Add vocal cord vibration.
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
Inserting a vowel before the syllabic consonant.
In "collision", 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.
collision→kuh·LIH·zhuhn
02
Stressing the wrong syllable.
Stress falls on the second syllable, not the others. Stretch LIH — keep everything else short and quick.
KUH·lih·ZHUHN→kuh·LIH·zhuhn
03
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.
KUH·LIH·zhuhn→kuh·LIH·zhuhn
Questions
Questions people ask about this.
How is "collision" stressed in American English?
Stress falls on the second syllable — say "LIH" with a longer, fuller vowel and keep every other syllable short and quick. The respell "kuh-LIH-zhuhn" marks the stressed syllable in capitals so the rhythm is easy to read at a glance.
Why does the first syllable in "collision" 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 "kuh-LIH-zhuhn" shows the reduced form so you can hear the casual rhythm directly.
Is the American pronunciation of "collision" 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 "kuh-LIH-zhuhn" reflects the casual American form; British dictionaries typically print a citation form with crisper consonants and different vowel choices.
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