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How to pronounce "synthesia" in English

synthesia is pronounced sɪnˈθiː.ʒə, with primary stress on the “THEE” syllable. Hear authentic native speakers pronounce it in 20 clips with synchronized subtitles and timestamps below.

sɪnˈθiː.ʒə

sin·THEE·zhə

Primary stress: THEE

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

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IPAsɪnˈθiː.ʒə
Saysin-THEE-zhə
Syllablessin · THEE · zhə
Hear it in contextUS
3:43
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Linguistic Pronunciation Masterclass: “synthesia”

Phonetic mechanics, syllable architecture, and conversational cadence

sɪnˈθiː.ʒə

Syllable Architecture & Stress Distribution

Syllable 1Unstressed

sin

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

Syllable 2Primary Stress

THEE

Tense long vowel with sustained acoustic resonance.

Syllable 3Unstressed

zhə

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

Primary emphasis falls on the second syllable ("THEE"). 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 followed by a vowel, insert a subtle glide (/w/ or /j/) to connect into the subsequent word without an abrupt glottal stop.

⏱️ Stress-Timed Rhythm

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

Authentic Spoken Quotes from Native Video Context

Verified Transcripts
“And when we feel there's some kind of connection between our sensory regions, it's actually synthesia happening.”
— TEDx TalksWatch clip
“the Greek border mrs. Chu Synthesia said the bit that we do yeah it must have”
— Native SpeakerWatch clip
“At Synthesia we focus on AI avatars, digital humans that sound and look like us.”
— Native SpeakerWatch clip
“um people were very reluctant to do any studies about synthesia because it just”
— Native SpeakerWatch clip
“processor connection synthesia and we are snaps.”
— TEDx TalksWatch clip
“I couldn't get this idea out of my mind, and eventually I ended up founding Synthesia, an AI video company, along with Matthias and Lourdes and Steffen, my cofounders.”
— Native SpeakerWatch clip
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IPA:sɪnˈθiː.ʒə
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And when we feel there's some kind of connection between our sensory regions, it's actually synthesia happening.

Hear it in context: “synthesia”

20 clips

The English word “synthesia” is transcribed in the International Phonetic Alphabet (IPA) as sɪnˈθiː.ʒə (phonetic respelling: sin-THEE-zhə). Phonologically, it consists of 3 syllables (sin · THEE · zhə), with primary lexical stress placed on the 2nd syllable (THEE). Grammatically, “synthesia” functions as a noun. SayItVid indexes 20 authentic English video clips demonstrating how native speakers articulate “synthesia” in natural connected speech across American (US: 8 sampled), British (UK), and Australian (AUS) accents, including verified broadcasts from TEDx Talks.

Spoken Video Transcripts & Contextual Quotes (5 Verified Clips)

  • 🇺🇸 USTEDx Talks
    Clip #1 · @3:43
    “inhibition between regions is weaker. And when we feel there's some kind of connection between our sensory regions, it's actually synthesia happening. I connection between our sensory regions,”
  • 🇺🇸 US
    Clip #2 · @32:19
    “escapees were already in no man's land the strip between the signal fence and the Greek border mrs. Chu Synthesia said the bit that we do yeah it must have been the fall of 1965 did he man three people tried to cross the border”
  • 🇺🇸 US
    Clip #3 · @10:39
    “who will take these tools and tell amazing stories. At Synthesia we focus on AI avatars, digital humans that sound and look like us. digital humans that sound and look like us.”
  • 🇺🇸 US
    Clip #4 · @24:56
    “before brain scans and before recent research into the brain um people were very reluctant to do any studies about synthesia because it just seemed so wacky. Um and so that's what happens once researchers have some kind”
  • 🇺🇸 USTEDx Talks
    Clip #5 · @3:06
    “have defined this kind of special processor connection synthesia and we are snaps. For us numbers are just are snaps. For us numbers are just”

Definition & Meaning: “synthesia”

NOUN
  • A neurological condition in which information meant to stimulate one of your senses stimulates several of your senses.

Example Sentences (3)

  • “People with color-grapheme synthésia perceive numbers or letters as having inherent colors.”
  • “And when we feel there's some kind of connection between our sensory regions, it's actually synthesia happening. I”
  • “the Greek border mrs. Chu Synthesia said the bit that we do yeah it must have”

Common Phrases & Collocations

connection synthesiafounding synthesiasynthesia batterychu synthesia

Pronounce: “synthesia”

Pronunciation:
sin-THEE-zhə
Syllables:
sin · THEE · zhə
Written Hyphenation:
syn · the · sia
Primary stress:
THEE
IPA:
sɪnˈθiː.ʒə
Hear it in context
synthesia

Words that Rhyme with “synthesia”

-iʒə
View all 10 rhymes for “synthesia”

Words that Sound Identical (Homophones)

Unique Sound
Explore 800+ homophone pairs

"synthesia" (⁄sɪnˈθiː.ʒə⁄) 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, "synthesia" has a completely distinct phonetic identity.

Frequently asked questions about synthesia

How do you pronounce “synthesia”?

“synthesia” is pronounced ⁄sɪnˈθiː.ʒə⁄ (sin-THEE-zhə). Listen to the native-speaker clips above to hear it in real conversation.

How many syllables are in “synthesia”?

“synthesia” has 3 syllables: sin · THEE · zhə.

Where is the stress in “synthesia”?

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

What does “synthesia” mean?

A neurological condition in which information meant to stimulate one of your senses stimulates several of your senses.

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

This page has 20 real-world video examples of “synthesia” 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 “synthesia”?

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⁄.