4 syllables: Me, tas, ta, sized. Stress on tas.
muh-TAS-tuh-seyezd
/məˈtæstəˌsaɪzd/
Metastasized is pronounced muh-TAS-tuh-seyezd (/məˈtæstəˌsaɪzd/). It has four syllables (Me-tas-ta-sized), with the stress on "tas". Metastasized is the verb meaning to spread cancer cells from one part of the body to another, or more broadly to spread or expand destructively. In medicine, it describes malignant cells disseminating beyond their original site. The term is used in clinical contexts and scientific writing to indicate progression of disease or diffusion of influence in metaphorical uses.
verbMetastasized is the verb meaning to spread cancer cells from one part of the body to another, or more broadly to spread or expand destructively. In medicine, it describes malignant cells disseminating beyond their original site. The term is used in clinical contexts and scientific writing to indicate progression of disease or diffusion of influence in metaphorical uses.
How to Pronounce Metastasized
"The cancer had metastasized to the liver within months."
"Researchers observed metastasized lesions spreading along lymphatic pathways."
"The doctor warned that the disease might metastasize if treatment failed."
Pronounced /məˈtæs təˌsaɪzd/ in US/UK, with primary stress on the second syllable and secondary stress (or a light stress) on the fourth syllable in many pronunciations: me-TAS-ta-sized. The sequence includes a clear /tæs/ after the initial schwa, then a /tə/ reduced vowel, and finally /saɪzd/ with a voiced z ending. Note the t-s cluster after the nasal and the z-voicing at the end. Audio reference: listen for stress on -tas-, then -ized. IPA: US /ˌmɛtəsˈtæsˌaɪzd/ or /mɪˈtæs təˌsaɪzd/ depending on speaker; UK often /ˌmɛtəˈstæsˌaɪzd/; AU similar to US with slightly more rounded vowels.
Common errors: (1) Under-stressing the primary stress on -tas- when speaking quickly, resulting in me-TAS-ta-sized becoming me-tas-TA-sized; (2) Slurring the -tæs- sequence into a rapid ‘tas’ without a clear /t/ release, and (3) mispronouncing the final -ized as -izd with a short /ɪ/ instead of /aɪ/ in -saɪzd. Correct by isolating the -tas- cluster, ensuring a light but audible /t/ release, and finishing with a clear /aɪzd/.”,
US tends to place primary stress on the -tas- syllable with a clear /ˈtæs/ and a final /ɪzd/ or /aɪzd/; UK often shifts slightly, sometimes with a stronger /ə/ in the first syllable and similar final -aɪzd; Australian tends to be closer to US but with vowel quality variation, slight vowel height differences in the /æ/ and /ɪ/ for the middle sounds, and generally rhotic behavior is similar to US in careful speech.
The difficulty lies in the multi-syllable rhythm and the t-s cluster: you have me-tas-ta-sized with both an alveolar /t/ and a /s/ in close succession, plus the diphthong in -saɪzd. The transition from /t/ to /s/ can cause a blending error if you don’t enunciate the /t/ clearly. Also, the final -ized can be /-aɪzd/ or /-ɪzd/, which changes the ending’s vowel quality depending on speaker. Practice the sequence slowly to stabilize the cluster and end with a crisp /d/.
A distinctive feature is the delicate balance of stress across the 4th and 5th syllables in longer, formal utterances. In careful medical narration you may hear a slight secondary emphasis on -tas- and a lighter final -zaizd as a linker to the previous thought. Pay attention to the transition from the /t/ to /s/ and then to the /aɪ/ in -zaɪzd, ensuring you don’t insert a vowel into the -s- cluster.
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Metastasized derives from metastasis, which comes from the Greek metastasis ( μεταστάσις) meaning a change of place or position, from meta- (beyond, transfer) + stasis (standing, position). The English verb metastasize emerged in medical usage in the 19th century to describe the transfer of disease from a primary tumor to distant sites. The term evolved from Latinized Greek roots—meta- (change, transfer) and stasis (standing/position)—to describe a process, not a single event. First attested in English in a clinical or scientific context in the late 1800s, metastasis gained traction with advances in pathology and oncology. As cancer research progressed, metastasized entered common medical parlance and later broader usage in literature and journalism to denote rapid, systemic spread, sometimes used metaphorically for spreading phenomena beyond their origin. The form metastasized follows the standard English -ize verb formation from Latin/Greek roots, with past tense -ed, making pronunciation valuable for stress and syllable rhythm in scientific narration.
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Words that rhyme with "Metastasized"
-zed sounds
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