m/m/
Press your lips together. Air flows through your nose. Vocal cords vibrate.
How to pronounce mandatory in American English
MAN·duh·tor·ee
Start here
Americans pronounce mandatory as MAN-duh-tor-ee (/ˈmændəˌɾɔri/). In "mandatory", the "a" vowel before M or N raises and fronts toward [eə] — the tongue pulls up and forward, breaking the vowel into a tense glide as it anticipates the nasal. This is called the Cat-Vowel Before M/N, a hallmark of natural-sounding American speech. It comes out as MAN·duh·TOR·ee. Stress falls on the first syllable — keep everything else short and quick. You'll hear it in sentences like "Attendance is mandatory for all laboratory sessions this semester" or "All employees must complete the mandatory safety training before starting work" — more examples below.
Now you try.
Record yourself saying "mandatory" and play it back. The mic stays on your device — nothing's uploaded.
Sound by sound
Every sound in "mandatory".
4 syllables, 8 sounds. Tap a syllable to jump to its row, then explore each sound's mouth shape and how it's made.
a/æ/
NasalizedThe tongue relaxes down in the back and the corners of the lips relax before the consonant. This adds a schwa-like 'uh' relaxation after the /æ/. Think of it as 'relaxing out of the vowel' — it is no longer a pure /æ/ sound.
n/n/
Touch the tip or front edge of your tongue to the roof of your mouth behind your teeth. Air flows through your nose.
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.
uh/ʌ/
Relax your lips, jaw, and tongue completely. Drop your jaw slightly and keep the tongue neutral.
t/t/
FlapQuickly bounce the front of your tongue against the roof of your mouth. Don't stop the airflow — just a quick tap.
or/ɔr/
Start with the 'aw' jaw drop and rounded lips. Pull the tongue back and up while keeping the lips rounded for the R.
ee/i/
Pull the corners of your lips back slightly. Arch the middle-front of your tongue high toward the roof of the mouth.
In real conversation
Hear "mandatory" in the wild.
Click any sentence to see the full breakdown — every link, every reduction, every flap-T.
"All employees must complete the mandatory safety training before starting work."
AHL uhm·PLOY·eez muhst kuhm·PLEET dhuh MAN·duh·tor·ee SAYF·tee TRAY·nuhng buh·FOR STAR·tuhng WURK
"Attendance is mandatory for all laboratory sessions this semester."
uh·TEHN·duhns ihz MAN·duh·tor·ee fer AHL LA·bruh·tor·ee SEH·shuhnz dhihs suh·MEH·ster
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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
Pronouncing the vowel before M/N too pure.
In "mandatory", the "a" vowel before M or N raises and fronts toward [eə] — the tongue pulls up and forward, breaking the vowel into a tense glide as it anticipates the nasal. The "/æ/" vowel raises and fronts before M or N — tongue pulls up and forward, producing a tense [eə] glide (between /e/ and /ə/). Not a pure /æ/.
MAN-duh-tor-ee→MAN·duh·TOR·ee
02
Stressing the wrong syllable.
Stress falls on the first syllable, not the others. Stretch MAN — keep everything else short and quick.
man·DUH·TOR·EE→MAN·duh·TOR·ee
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.
MAN·DUH·tor·ee→MAN·duh·TOR·ee
04
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 "mandatory" stressed in American English?
Stress falls on the first syllable — say "MAN" with a longer, fuller vowel and keep every other syllable short and quick. The respell "MAN-duh-tor-ee" marks the stressed syllable in capitals so the rhythm is easy to read at a glance.
Why doesn't the T sound like a T in "mandatory"?
In American English, when /t/ sits between two vowels with the second one unstressed, it turns into a quick D-like flap. So "mandatory" sounds closer to "MAN-duh-tor-ee" than to a crisp-T pronunciation. This is the flap-T rule, one of the most distinctive sounds of casual American speech.
Why does the second syllable in "mandatory" 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 "MAN-duh-tor-ee" shows the reduced form so you can hear the casual rhythm directly.
How do I pronounce the R in "mandatory"?
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.
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