6 syllables: ses, qui, pe, da, li, an. Stress on da.
ses-kwip-id-AY-lee-uhn
/ˌsɛskwɪpɪˈdeɪliən/
sesquipedalian is pronounced ses-kwip-id-AY-lee-uhn (/ˌsɛskwɪpɪˈdeɪliən/). It has six syllables (ses-qui-pe-da-li-an), with the stress on "da". Sesquipedalian (adj. or n.) refers to a long word or to the use of long words; it can also describe a person who tends to use long words. In linguistics, it is often used playfully to critique overly elaborate language. The term carries a hint of irony, balancing scholarly pretension with humor. It is a polysyllabic, stress-timed word that may sound pretentious in casual speech.
Sesquipedalian (adj. or n.) refers to a long word or to the use of long words; it can also describe a person who tends to use long words. In linguistics, it is often used playfully to critique overly elaborate language. The term carries a hint of irony, balancing scholarly pretension with humor. It is a polysyllabic, stress-timed word that may sound pretentious in casual speech.
"The professor’s sesquipedalian prose impressed some students and overwhelmed others."
"Her sesquipedalian cadence made the discussion sound arch, yet intellectually rigorous."
"He was labeled a sesquipedalian by his peers for peppering his lecture with obscure polysyllables."
Pronounce as ses-kwuh-PED-AYL-yən with primary stress on the third syllable. IPA US/UK: /ˌsɛs.kwɪˈpeɪ.də.li.ən/ (US/UK); note the /ˈpeɪ/ vowel in the stressed syllable and the final '-ian' as /-liən/. For clarity: break into ses-qui-ped-alian, with a clear 'ped' as in 'pedestrian' and a light, ending 'liən' cluster. Audio reference can be checked on Forvo or Pronounce resources.
Common errors include misplacing the stress (placing it on the wrong syllable), mispronouncing the 'qui' as /kwɪ/ instead of /kwɪ/ with a short 'i' and a separate syllable, and swallowing the final -ian as /ən/ rather than /liən/. Correction: emphasize the /ˈpeɪ/ vowel in the stressed syllable, pronounce the 'qui' cluster as /kwɪ/, and articulate the final -ian as /liən/ for a clean, light ending.
In US English, stress remains on the third syllable with /ˈpeɪ/ as the vowel; rhotic r does not affect the pronunciation here. UK English mirrors the main stress and /ˈpeɪ/ as well, but may have a slightly closer /iː/ in some speakers and a crisper /d/ in /ˌpeˈdæliən/. Australian English similar to UK, but with a flatter vowel quality and sometimes less pronounced final /ən/. Overall, the main differences are vowel quality and the realization of the final syllable. IPA references help map subtle shifts.
Phonetic challenges include a three-part onset cluster in 'sesqu-', with /s/ + /ɛ/ and /s.kwɪ/; the stressed /ˈpeɪ/ involves a diphthong that should open smoothly without breaking; and the final /liən/ sequence requires a light, quick glide to avoid a staccato ending. Also, the stress on the third syllable can cause English learners to misplace emphasis, leading to an uneven rhythm.
The word contains a three-part syllabic rhythm: ses-qui-ped-alian, where the 'ped' root is the core anchor, and the 'alian' ending introduces a liquid /lj/ glide into /ən/. The 'qui' forms a compact /kwɪ/ cluster with a soft onset. Focus on crisp separation between 'ses-qui-' and 'ped-' to avoid rushing the syllables and maintain the long-word cadence.
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Sesquipedalian comes from Latin sesquipedalis, formed from sesqui- ‘one and a half’ and pedalis ‘of the foot’ (from pes, ped- ‘foot’). The image is metaphorical: a word so long that it occupies one and a half feet, i.e., a long word. The Latin term appears in medieval scholastic contexts to describe long words or long-windedness and was borrowed into English in the 17th–18th centuries to label verbose diction. Early uses emphasized humor or irony, often in satire or rhetoric studies. In modern usage, sesquipedalian can describe both a long word itself and a speaker who frequently employs such polysyllabic terms. Over time, the word has become a self-aware label in linguistic and literary discussions, sometimes used affectionately among scholars and writers. It also appears in educational contexts to highlight the tension between precision and clarity, especially when a speaker relies on elaborate terminology rather than communicating plainly.
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Words that rhyme with "sesquipedalian"
-ian sounds
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