v/v/
Lift your bottom lip so its inner edge (where the wet part meets the dry part) touches the very bottom of your top front teeth. Add vocal cord vibration as you blow air through.
How to pronounce virus in American English
VAHY·ruhs
Start here
Americans pronounce virus as VAHY-ruhs (/ˈvaɪrəs/). Stress falls on the first syllable — keep everything else short and quick. You'll hear it in sentences like "The virus mutates rapidly, making it difficult to treat" or "The medical community is searching for a vaccine for the virus" — more examples below.
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Sound by sound
Every sound in "virus".
2 syllables, 5 sounds. Tap a syllable to jump to its row, then explore each sound's mouth shape and how it's made.
ahy/aɪ/
Start with your jaw open wide and your tongue resting low and flat. Glide the front of your tongue up toward the roof of your mouth as your jaw closes halfway.
r/r/
Curl or bunch your tongue without letting the tip touch the roof of your mouth. Brace the sides of your tongue against your upper back teeth, and round your lips slightly.
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.
In real conversation
Hear "virus" 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
Stressing the wrong syllable.
Stress falls on the first syllable, not the others. Stretch VAHY — keep everything else short and quick.
vahy·RUHS→VAHY·ruhs
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.
VAHY·RUHS→VAHY·ruhs
Questions
Questions people ask about this.
How is "virus" stressed in American English?
Stress falls on the first syllable — say "VAHY" with a longer, fuller vowel and keep every other syllable short and quick. The respell "VAHY-ruhs" marks the stressed syllable in capitals so the rhythm is easy to read at a glance.
Why does the second syllable in "virus" 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 "VAHY-ruhs" shows the reduced form so you can hear the casual rhythm directly.
Is the American pronunciation of "virus" 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 "VAHY-ruhs" reflects the casual American form; British dictionaries typically print a citation form with crisper consonants and different vowel choices.
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