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How to pronounce "synthesiz" in English

synthesiz is pronounced ˈsɪn.θəˌsaɪz, with primary stress on the “SIN” syllable. Hear authentic native speakers pronounce it in 5 clips with synchronized subtitles and timestamps below.

ˈsɪn.θəˌsaɪz

SIN·thə·syz

Primary stress: SIN

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

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IPAˈsɪn.θəˌsaɪz
SaySIN-thə-syz
SyllablesSIN · thə · syz
Hear it in contextUS
3:48

that's legitimate because electricity use is rising and in fact more or less everything we do we could do with electricity except for flying maybe even then we could synthesiz biofuels if we wanted to we produce a lot of CO2 it's then we could synthesiz biofuels if we wanted to we produce a lot of CO2 it's

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Linguistic Pronunciation Masterclass: “synthesiz”

Phonetic mechanics, syllable architecture, and conversational cadence

ˈsɪn.θəˌsaɪz

Syllable Architecture & Stress Distribution

Syllable 1Primary Stress

SIN

Gliding diphthong with sustained vocal resonance.

Syllable 2Unstressed

thə

Neutral schwa (⁄ə⁄): relaxed jaw, brief unstressed breath.

Syllable 3Unstressed

syz

Neutral schwa (⁄ə⁄): relaxed jaw, brief unstressed breath.

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

Common Pronunciation Traps & Learner Mistakes

⚠️ Voiced Dental Fricative ⁄ð⁄

The Trap: Many learners substitute "th" with "s", "z", "t", or "d".

How Native Speakers Say It: Place the flat blade of your tongue lightly between your upper and lower incisors. Vibrate your vocal cords while pushing air through to produce ⁄ð⁄.

Connected Speech & Natural Conversational Flow

🔗 Consonant-Vowel Linking (Liaison)

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

⏱️ Stress-Timed Rhythm

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

Authentic Spoken Quotes from Native Video Context

Verified Transcripts
“everything we do we could do with electricity except for flying maybe even then we could synthesiz biofuels if we wanted to we produce a lot of CO2 it's”
— StanfordWatch clip
“all when we think of how to uh synthesiz no particles there are two main approaches that scientists are follow following the first one is top to down”
— TEDx TalksWatch clip
“so cholesterol is a lipid it is a molecule that the body synthesiz izes it”
— Andrew HubermanWatch clip
“very mild form of synthesiz.”
— Native SpeakerWatch clip
“uh more synthesiz uh prototypes here doing 3D modeling of the parts and embedding the electronics inside and doing a lot of aesthetic studies.”
— StanfordWatch clip
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Practice Speaking “synthesiz”

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IPA:ˈsɪn.θəˌsaɪz
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everything we do we could do with electricity except for flying maybe even then we could synthesiz biofuels if we wanted to we produce a lot of CO2 it's

Hear it in context: “synthesiz”

5 clips

The English word “synthesiz” is transcribed in the International Phonetic Alphabet (IPA) as ˈsɪn.θəˌsaɪz (phonetic respelling: SIN-thə-syz). Phonologically, it consists of 3 syllables (SIN · thə · syz), with primary lexical stress placed on the 1st (initial) syllable (SIN). Grammatically, “synthesiz” functions as a verb. SayItVid indexes 5 authentic English video clips demonstrating how native speakers articulate “synthesiz” in natural connected speech across American (US: 5 sampled), British (UK), and Australian (AUS) accents, including verified broadcasts from Stanford, TEDx Talks, Andrew Huberman.

Spoken Video Transcripts & Contextual Quotes (5 Verified Clips)

  • 🇺🇸 USStanford
    Clip #1 · @3:48
    “that's legitimate because electricity use is rising and in fact more or less everything we do we could do with electricity except for flying maybe even then we could synthesiz biofuels if we wanted to we produce a lot of CO2 it's then we could synthesiz biofuels if we wanted to we produce a lot of CO2 it's”
  • 🇺🇸 USTEDx Talks
    Clip #2 · @6:58
    “how we can produce them is is my question in this presentation first of all when we think of how to uh synthesiz no particles there are two main approaches that scientists are follow following the first one is top to down approaches that scientists are follow following the first one is top to down”
  • 🇺🇸 USAndrew Huberman
    Clip #3 · @34:51
    “sometimes you do need to resort to longer dissertations to dispel mythology so cholesterol is a lipid it is a molecule that the body synthesiz izes it is a molecule that is essential for life so if you cannot synthesize cholesterol”
  • 🇺🇸 US
    Clip #4 · @31:22
    “if they lost it they'd be devastated. Again, for me, it just becomes a very very mild form of synthesiz. It's like, yeah, it's like those interesting experiences. Yeah. experiences. Yeah.”
  • 🇺🇸 USStanford
    Clip #5 · @15:37
    “Mindstorms. And later on uh uh we evolve this into uh more synthesiz uh prototypes here doing 3D modeling of the parts and embedding the electronics inside and doing a lot of aesthetic studies. uh embedding the electronics inside and doing a lot of aesthetic studies. uh”

Definition & Meaning: “synthesiz”

VERB
  • To combine separate elements or substances to form a coherent whole.

Example Sentences (3)

  • “The researchers will synthesize the new chemical compound in the laboratory tomorrow.”
  • “everything we do we could do with electricity except for flying maybe even then we could synthesiz biofuels if we wanted to we produce a lot of CO2 it's”
  • “all when we think of how to uh synthesiz no particles there are two main approaches that scientists are follow following the first one is top to down”

Common Phrases & Collocations

body synthesiz

Pronounce: “synthesiz”

Pronunciation:
SIN-thə-syz
Syllables:
SIN · thə · syz
Written Hyphenation:
syn · the · siz
Primary stress:
SIN
IPA:
ˈsɪn.θəˌsaɪz
Hear it in context
synthesiz

Words that Rhyme with “synthesiz”

-ɪnθəˌsaɪz
View all 31 rhymes for “synthesiz”

Words that Sound Identical (Homophones)

Unique Sound
Explore 800+ homophone pairs

"synthesiz" (⁄ˈsɪn.θəˌsaɪz⁄) 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, "synthesiz" has a completely distinct phonetic identity.

Frequently asked questions about synthesiz

How do you pronounce “synthesiz”?

“synthesiz” is pronounced ⁄ˈsɪn.θəˌsaɪz⁄ (SIN-thə-syz). Listen to the native-speaker clips above to hear it in real conversation.

How many syllables are in “synthesiz”?

“synthesiz” has 3 syllables: SIN · thə · syz.

Where is the stress in “synthesiz”?

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

What does “synthesiz” mean?

To combine separate elements or substances to form a coherent whole.

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

This page has 5 real-world video examples of “synthesiz” 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 “synthesiz”?

Many learners substitute "th" with "s", "z", "t", or "d". Place the flat blade of your tongue lightly between your upper and lower incisors. Vibrate your vocal cords while pushing air through to produce ⁄ð⁄.