p/p/
Press your lips together to stop the air, then release. No vocal cord vibration.
How to pronounce pesticides in American English
PEH·stuh·sahydz
Start here
Americans pronounce pesticides as PEH-stuh-sahydz (/ˈpɛstəˌsaɪdz/). Stress falls on the first syllable — keep everything else short and quick. You'll hear it in sentences like "Organic farming avoids the use of synthetic pesticides".
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Sound by sound
Every sound in "pesticides".
3 syllables, 9 sounds. Tap a syllable to jump to its row, then explore each sound's mouth shape and how it's made.
eh/ɛ/
Drop your jaw moderately. Touch the tongue tip behind the bottom front teeth and lift the mid-front part slightly toward the roof.
s/s/
Place your tongue tip near the roof of your mouth behind your top teeth. Push air through the narrow gap. No voicing.
t/t/
Touch the tip or front edge of your tongue to the roof of your mouth just behind your teeth. Keep your jaw relaxed. Stop the air, then release with a puff.
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.
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.
d/d/
Touch the tip of your tongue to the roof of your mouth just behind your teeth. Add vocal cord vibration as you release.
z/z/
Same position as S, but add vocal cord vibration. Feel the buzz.
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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 PEH — keep everything else short and quick.
peh·STUH·SAHYDZ→PEH·stuh·SAHYDZ
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.
PEH·STUH·sahydz→PEH·stuh·SAHYDZ
Questions
Questions people ask about this.
How is "pesticides" stressed in American English?
Stress falls on the first syllable — say "PEH" with a longer, fuller vowel and keep every other syllable short and quick. The respell "PEH-stuh-sahydz" marks the stressed syllable in capitals so the rhythm is easy to read at a glance.
Why does the second syllable in "pesticides" 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 "PEH-stuh-sahydz" shows the reduced form so you can hear the casual rhythm directly.
Is the American pronunciation of "pesticides" 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 "PEH-stuh-sahydz" reflects the casual American form; British dictionaries typically print a citation form with crisper consonants and different vowel choices.
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