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How to pronounce "efavirenz" in English

efavirenz is pronounced ɛˈfæv.ɪˌɹɛnz, with primary stress on the “FAV” syllable. Hear authentic native speakers pronounce it in 5 clips with synchronized subtitles and timestamps below.

ɛˈfæv.ɪˌɹɛnz

e·FAV·ih·renz

Primary stress: FAV

Accent:
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Hear native speakers say efavirenz in context across real video clips

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IPAɛˈfæv.ɪˌɹɛnz
Saye-FAV-ih-renz
Syllablese · FAV · ih · renz
Hear it in contextUS
48:10
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Linguistic Pronunciation Masterclass: “efavirenz”

Phonetic mechanics, syllable architecture, and conversational cadence

ɛˈfæv.ɪˌɹɛnz

Syllable Architecture & Stress Distribution

Syl. 1Unstressed

e

Reduced vowel sound, relaxed jaw, and minimal vocal effort.

Syl. 2Primary Stress

FAV

Elevated pitch, sustained vowel length, and full acoustic clarity.

Syl. 3Unstressed

ih

Reduced vowel sound, relaxed jaw, and minimal vocal effort.

Syl. 4Unstressed

renz

Reduced vowel sound, relaxed jaw, and minimal vocal effort.

Primary emphasis falls on the second syllable ("FAV"). Raise your pitch and sustain the vowel length on this syllable while relaxing the surrounding syllables.

Common Pronunciation Traps & Learner Mistakes

⚠️ Unstressed Syllable Vowel Reduction (Schwa ⁄ə⁄)

The Trap: Avoid pronouncing every vowel with full acoustic weight. Non-native speakers often over-enunciate unstressed vowels.

How Native Speakers Say It: Only give full vowel clarity to the primary stressed syllable. Relax all unstressed vowels into a neutral, low-energy schwa (⁄ə⁄).

Connected Speech & Natural Conversational Flow

🔗 Consonant-Vowel Linking (Liaison)

When "efavirenz" is followed by a word starting with a vowel, glide the final consonant into the opening vowel (e.g. "efavirenz is" sounds like "efavirenz-iz").

⏱️ Stress-Timed Rhythm

Maintain the stress-timed rhythm of English: compress unstressed syllables rapidly so the beat of "efavirenz" aligns naturally with adjacent words.

Authentic Spoken Quotes from Native Video Context

Verified Transcripts
“Um efavirenz is potentially teratogenic,”
— Harvard UniversityWatch clip
“Um efavirenz or Stocrin can be used after the first trimester um if we make sure that she's on contraception after she delivers.”
— Harvard UniversityWatch clip
“trimester, you should avoid using efavirenz and use nevirapine instead.”
— Harvard UniversityWatch clip
“Um if she's less than um 12 weeks pregnant, we substitute efavirenz for nevirapine. So, we'll switch her efavirenz for nevirapine.”
— Harvard UniversityWatch clip
“certain classes of antiretroviral drugs like what I mentioned NNRTIs like efavirenz and rilpivirine, some of these drugs where”
— Harvard UniversityWatch clip
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IPA:ɛˈfæv.ɪˌɹɛnz
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Target Phrase:

Um efavirenz is potentially teratogenic,

Hear it in context: “efavirenz”

5 clips

The English word “efavirenz” is transcribed in the International Phonetic Alphabet (IPA) as ɛˈfæv.ɪˌɹɛnz (phonetic respelling: e-FAV-ih-renz). Phonologically, it consists of 4 syllables (e · FAV · ih · renz), with primary lexical stress placed on the 2nd syllable (FAV). Grammatically, “efavirenz” functions as a noun. SayItVid indexes 5 authentic English video clips demonstrating how native speakers articulate “efavirenz” in natural connected speech across American (US: 5 sampled), British (UK), and Australian (AUS) accents, including verified broadcasts from Harvard University.

Spoken Video Transcripts & Contextual Quotes (5 Verified Clips)

  • 🇺🇸 USHarvard University
    Clip #1 · @48:10
    “protease inhibitors. Usually as part of second-line treatment and usually women who are already pretty sick. So that may not actually be the case, okay? Um efavirenz is potentially teratogenic, okay? Um efavirenz is potentially teratogenic,”
  • 🇺🇸 USHarvard University
    Clip #2 · @45:09
    “woman developing liver toxicity if she takes nevirapine. Um efavirenz or Stocrin can be used after the first trimester um if we make sure that she's on contraception after she delivers. And as I said, the now the sure that she's on contraception after she delivers. And as I said, the now the”
  • 🇺🇸 USHarvard University
    Clip #3 · @48:27
    “first trimester. So if you do have a woman who comes during the first trimester, you should avoid using efavirenz and use nevirapine instead. It's important not to use d4T and ddI together”
  • 🇺🇸 USHarvard University
    Clip #4 · @95:39
    “on heart, then she continues. Okay. Um if she's less than um 12 weeks pregnant, we substitute efavirenz for nevirapine. So, we'll switch her efavirenz for nevirapine. efavirenz for nevirapine. So, we'll switch her efavirenz for nevirapine.”
  • 🇺🇸 USHarvard University
    Clip #5 · @27:39
    “virus itself. Especially with some of the older or some of the the other the certain classes of antiretroviral drugs like what I mentioned NNRTIs like efavirenz and rilpivirine, some of these drugs where mentioned NNRTIs like efavirenz and rilpivirine, some of these drugs where”

Definition & Meaning: “efavirenz”

NOUN
  • A nonnucleoside reverse-transcriptase inhibitor C₁₄H₉ClF₃NO₂ that is administered orally with other antiretroviral agents in the treatment of type-1 HIV infection.

Example Sentences (3)

  • “In generic form, it costs one-eighth as much as efavirenz, the most closely related drug.”
  • “who are already pretty sick. So that may not actually be the case, okay? Um efavirenz is potentially teratogenic,”
  • “Um efavirenz or Stocrin can be used after the first trimester um if we make sure that she's on contraception after she delivers. And as I said, the now the”

Common Phrases & Collocations

nevirapine efavirenzsubstitute efavirenz

Pronounce: “efavirenz”

Pronunciation:
e-FAV-ih-renz
Syllables:
e · FAV · ih · renz
Written Hyphenation:
e · fa · vi · renz
Primary stress:
FAV
IPA:
ɛˈfæv.ɪˌɹɛnz
Hear it in context
efavirenz

Words that Rhyme with “efavirenz”

-ævɪˌrɛnz
View all 34 rhymes for “efavirenz”

Words that Sound Identical (Homophones)

Unique Sound
Explore 800+ homophone pairs

"efavirenz" (⁄ɛˈfæv.ɪˌɹɛnz⁄) has no true homophones in standard English — there are no other words with identical pronunciation. Unlike sound-alike pairs like there / their or peace / piece, "efavirenz" has a completely distinct phonetic identity.

Frequently asked questions about efavirenz

How do you pronounce “efavirenz”?

“efavirenz” is pronounced ⁄ɛˈfæv.ɪˌɹɛnz⁄ (e-FAV-ih-renz). Listen to the native-speaker clips above to hear it in real conversation.

How many syllables are in “efavirenz”?

“efavirenz” has 4 syllables: e · FAV · ih · renz.

Where is the stress in “efavirenz”?

The primary stress in “efavirenz” is on “FAV”. Listen for that stressed syllable in the clips above.

What does “efavirenz” mean?

A nonnucleoside reverse-transcriptase inhibitor C₁₄H₉ClF₃NO₂ that is administered orally with other antiretroviral agents in the treatment of type-1 HIV infection.

How can I hear “efavirenz” used in real sentences?

This page has 5 real-world video examples of “efavirenz” with synchronized subtitles. Use Previous / Next (or ← / → keys) to hear each one at the exact moment it is spoken.

What is the most common pronunciation mistake when saying “efavirenz”?

Avoid pronouncing every vowel with full acoustic weight. Non-native speakers often over-enunciate unstressed vowels. Only give full vowel clarity to the primary stressed syllable. Relax all unstressed vowels into a neutral, low-energy schwa (⁄ə⁄).