How to pronounce thunderstorms in American English

IPA /ˈθʌndərˌstɔrmz/ Syllables 3 · thuhn·der·stormz Stress 1st syllable

THUHN·der·stormz

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Americans pronounce thunderstorms as THUHN-der-stormz (/ˈθʌndərˌstɔrmz/). The R is one continuous sound with the vowel — the tongue curls back rather than rolling. Stress falls on the first syllable — keep everything else short and quick.

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Sounds

75%

Clarity

68%

Stress

78%

Intonation

65%

Fluency

62%

Overall assessment

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72% Noticeable accent

Common mistakes

Stressing the wrong syllable.

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

Pronouncing the "R" too clearly.

Americans use a relaxed retroflex R — the tongue curls back rather than rolling. The R is one continuous sound with the vowel before it, not two separate sounds.

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In real conversation

Hear "thunderstorms" in the wild.

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"I heard there is a chance of thunderstorms this afternoon."

ahy HURD DHAIR ihz uh CHANS uhv THUHN·der·stormz dhihs af·ter·NOON

"She loves watching lightning during summer thunderstorms."

shee LUHVZ WAH·chuhng LAHYT·nuhng DUUR·uhng SUH·mer THUHN·der·stormz

Watch out

Common pronunciation mistakes in American English.

The textbook way isn't wrong — it's just not how anyone actually says it.

Stressing the wrong syllable.

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

thuhn·DER·STORMZ→THUHN·der·STORMZ

Pronouncing the "R" too clearly.

Americans use a relaxed retroflex R — the tongue curls back rather than rolling. The R is one continuous sound with the vowel before it, not two separate sounds.

… (no R)→… r (curl the tongue)

Questions

Questions people ask about this.

How is "thunderstorms" stressed in American English?

Stress falls on the first syllable — say "THUHN" with a longer, fuller vowel and keep every other syllable short and quick. The respell "THUHN-der-stormz" marks the stressed syllable in capitals so the rhythm is easy to read at a glance.

How do I pronounce the R in "thunderstorms"?

Americans use a relaxed retroflex R: the tongue curls back rather than rolling, and the R is one continuous sound with the vowel before it — not two separate sounds. Don't try to pronounce a separate vowel followed by a separate R. Treat them as a single shape.

Is the American pronunciation of "thunderstorms" 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 "THUHN-der-stormz" reflects the casual American form; British dictionaries typically print a citation form with crisper consonants and different vowel choices.

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Overall assessment

Common mistakes

Stressing the wrong syllable.

Pronouncing the "R" too clearly.

Hear "thunderstorms" in the wild.

Words that work the same way.

Common pronunciation mistakes in American English.

Stressing the wrong syllable.

Pronouncing the "R" too clearly.

Questions people ask about this.

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