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.
How to pronounce definitely in American English
DEH·fuh·nuht·lee
Start here
Americans pronounce definitely as DEH-fuh-nuht-lee (/ˈdɛfənətli/). Stress falls on the first syllable — keep everything else short and quick. You'll hear it in sentences like "That's definitely not what I meant".
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Sound by sound
Every sound in "definitely".
4 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.
f/f/
Lift your bottom lip to touch the very bottom of your top front teeth. Blow air through this contact point 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.
uh/ʌ/
Relax your lips, jaw, and tongue completely. Drop your jaw slightly and keep the tongue neutral.
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.
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.
ee/i/
Pull the corners of your lips back slightly. Arch the middle-front of your tongue high toward the roof of the mouth.
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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 "definitely", the "t" 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.
definitely→DEH·fuh·nuht·lee
02
Stressing the wrong syllable.
Stress falls on the first syllable, not the others. Stretch DEH — keep everything else short and quick.
deh·FUH·NUHT·LEE→DEH·fuh·nuht·lee
03
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.
DEH·FUH·nuht·lee→DEH·fuh·nuht·lee
Questions
Questions people ask about this.
How is "definitely" stressed in American English?
Stress falls on the first syllable — say "DEH" with a longer, fuller vowel and keep every other syllable short and quick. The respell "DEH-fuh-nuht-lee" marks the stressed syllable in capitals so the rhythm is easy to read at a glance.
Why does the second syllable in "definitely" 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 "DEH-fuh-nuht-lee" shows the reduced form so you can hear the casual rhythm directly.
Is the American pronunciation of "definitely" 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 "DEH-fuh-nuht-lee" reflects the casual American form; British dictionaries typically print a citation form with crisper consonants and different vowel choices.
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