3 syllables: Oc, to, pus. Stress on Oc.
AHK-tuh-puus
/ˈɑktəˌpʊs/
Octopus is pronounced AHK-tuh-puus (/ˈɑktəˌpʊs/). It has three syllables (Oc-to-pus), with the stress on "Oc". Octopus is a four-syllable noun referring to a soft-bodied marine animal with eight limbs. It is commonly used in scientific and everyday language to describe the creature or its features. The term can also appear in metaphorical contexts (e.g., an organization with many arms). Primary stress typically falls on the second syllable: oc-TO-pus.
nounOctopus is a four-syllable noun referring to a soft-bodied marine animal with eight limbs. It is commonly used in scientific and everyday language to describe the creature or its features. The term can also appear in metaphorical contexts (e.g., an organization with many arms). Primary stress typically falls on the second syllable: oc-TO-pus.
How to Pronounce Octopus
"The octopus drifted slowly along the reef, its tentacles trailing like threads."
"Researchers studied the octopus's ability to camouflage itself."
"We watched an octopus squeeze through a crack in the rocks."
Pronounce it with four syllables and primary stress on the second: /ɒkˈtɒpəs/ (US/UK). Start with /ɒ/ as in 'cot,' then /k/ to /ˈtɒ/ with primary stress on the second syllable, ending with /pəs/. The mouth closes briefly between syllables, and the final -us is a light /əs/. You’ll hear the 'to' segment as a crisp /ˈtɒ/, not a long 'toe' sound. IPA guides and audio dictionaries show this rhythm clearly, and practice with shadowing can help lock the stress pattern.
Two frequent errors: (1) placing stress on the first syllable Oc- instead of the second (oC-TO-pus), which makes it sound off in natural speech; (2) pronouncing the final -us as /juːs/ or /juːz/ instead of a short /əs/. Correction: keep the final as a unstressed schwa /əs/ and deliver /ɒ/ vowels in the first two syllables with clear /t/ and /p/ stops. Use slow, deliberate enunciation on the second syllable and then relax into the final /əs/.
In US and UK, the standard is /ɒkˈtɒpəs/ with two open back vowels and a rhotic/non-rhotic distinction is not pronounced in the -pus part beyond the vowel. Australian accents typically maintain /ɒ/ but may soften the final /əs/ to /əs/ or /əs/. Rhoticity is not strongly affecting the octopus form; the main difference lies in vowel quality and the realization of the second syllable's vowel, which can vary slightly in quality and length while retaining the stress on the second syllable.
The difficulty comes from the fixed stress pattern (secondary stress on the second syllable) and the sequence of voiceless consonants around a short, unstressed final syllable. The /ˈtɒ/ cluster requires precise timing to avoid an extra syllable or lilt, and the final /əs/ must be reduced without losing clarity. Beginners often misplace stress or over-articulate the final -us, leading to a choppy rhythm. Practice with minimal pairs and tempo changes will help stabilize the rhythm.
Octopus has a two-second rhythm where the second syllable carries prominence, unlike some mollusks with more uniform stress. The combination of /ɒ/ + /k/ + /ˈtɒ/ + /pəs/ creates a distinct diphthong pattern and a crisp /t/ before a light /p/ cluster. You also want a relaxed jaw for the final /əs/ to avoid a final /z/ or /s/ sound. This unique stress pattern and syllabic rhythm set it apart from many similar words.
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Octopus comes from the Greek olkó + pous, meaning 'bearing feet' or 'having eight feet.' The first element, 'octo-' derives from oktṓ in Greek (eight). 'Pus' derives from pous meaning 'foot' and is the same root found in 'octopedal' and related scientific terms. The word entered English via Latin and Greek taxonomic nomenclature and gained widespread use in the 18th and 19th centuries as biology and natural history expanded. Early references used forms like octopod or octopus with a 'p' sound that often shifted in pronunciation over time. In some languages, the term is borrowed (e.g., octopus in English remains dominant, while other languages adapt it phonetically). The concept of eight limbs is central to its meaning, and the word’s popularity exploded with popular science and later marine biology literature, documentaries, and popular culture depictions. First known English attestations date to the 18th century, aligning with broader scientific naming conventions as explorers cataloged sea life. The modern pronunciation and spelling reflect both the Greek roots and English phonotactics, with stress typically on the second syllable in common usage.
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💡 These words have similar meanings to "Octopus" and can often be used interchangeably.
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Words that rhyme with "Octopus"
-pus sounds
-cus sounds
Practice with these rhyming pairs to improve your pronunciation consistency:
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