4 syllables: Pre, post, er, ous. Stress on post.
pree-POH-stuh-ruhs
/ˌpriːˈpoʊstərəs/
Preposterous is pronounced pree-POH-stuh-ruhs (/ˌpriːˈpoʊstərəs/). It has four syllables (Pre-post-er-ous), with the stress on "post". Preposterous is an adjective describing something so clearly absurd or ridiculous that it defies common sense. It often conveys strong disbelief or scorn, typically used for grand or outrageous claims. The term implies not just wrong, but laughably unreasonable in a way that invites skepticism or ridicule.
adjectivePreposterous is an adjective describing something so clearly absurd or ridiculous that it defies common sense. It often conveys strong disbelief or scorn, typically used for grand or outrageous claims. The term implies not just wrong, but laughably unreasonable in a way that invites skepticism or ridicule.
- Common mistake: flattening the second syllable so it sounds like pre-POSt-er-ous; correction: hold the secondary stress on POS with a clear /pə/ before it. - Mistake: weak /st/ cluster in the middle, making it sound like /pst/ or /s/. Correction: produce a crisp /st/ with a brief stop before the /t/. - Final mistake: collapsing -ous to a neutral /əs/ or /əs/ too short; correction: keep a light, rounded final /ə/ or /ər/ before /əs/; practice saying ‘-rous’ with a relaxed jaw but audible /ɹ/ before the final /əs/ in rhotic accents.
How to Pronounce Preposterous
"The idea that the Earth is flat is preposterous to most scientists."
"Her claim to have met a unicorn was preposterous and clearly untrue."
"The manager dismissed the proposal as preposterous and impractical."
Pronounced /ˌprɛpəˈstɜːrəs/ (US) or /ˌprɛpəˈstɜːrəs/ (UK). Primary stress on the second syllable: pre-POS-ter-ous. Start with ‘pre’ as in pray, then ‘pos’ like ‘posh’ without the h, then a clear ‘ter’ with a stressed vowel, and end with a light ‘ous’ as in ‘us’ but with a soft, non-syllabic -ous. Audio reference: [pronunciation resources linked in studies]
Common errors: misplacing stress (putting it on PRE- instead of POS), pronouncing the middle 'st' too softly, or flattening -ous to ‘-us’ with a dull vowel. Correction: keep strong secondary stress on POS, pronounce the middle syllable with a clear /st/ cluster, and finish with a short, unstressed /ə/ or /ər/ followed by /əs/. Practice slow, then speed up while maintaining the rhythm.
In US and UK, the core is /ˌprɛpəˈstɜːrəs/. US rhotics add /ɹ/ post-vocalically as /ˈstɜːɹəs/; UK often has a slightly more centralized /ˈstɜːr/ with less rhotic emphasis in some dialects. Australian usually mirrors US rhotics but may soften the final /ɹ/ and have a shorter /ə/ in the second syllable. Overall, vowel quality (ɛ vs e) and rhoticity influence perceived sound. IPA guides help these small shifts.
Difficulties stem from the multi-syllabic rhythm (three primary stresses across four syllables implied by the prefix), the /ˈstɜː/ cluster, and the final -ous ending with a reduced vowel. Learners often misplace stress, blur the /st/ sequence, or overpronounce the -ous ending. Focusing on the POS syllable and keeping the final -(e)ous light helps maintain natural cadence across dialects.
The word contains a non-stressable prefix prae-/pre- and a stressed POS syllable; the middle /pə/ can be a weak schwa, making the second syllable sound like ‘puh-’ before the strong /stɜːr/; the final /əs/ is light. The key is keeping the strong POS stress and ensuring the /st/ cluster is crisp, not merged with the previous vowel. IPA cues help: /ˌprɛpəˈstɜːrəs/.
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- US: rhotic /ɹ/ is pronounced; keep a clear /ɹ/ before the final -ous; make /ˌprɛpəˈstɜːrəs/ with a strong POS. - UK: /ˌprɛpəˈstɜːrəs/ with slightly shorter /ɜː/ than US, and sometimes non-rhotic in some speakers; focus on vowel length rather than rhoticity. - AU: /ˌprɛpəˈstɜːrəs/ similar to US; may shorten the second syllable and slightly reduce final /ɹ/. IPA referencing: /ˌprɛpəˈstɜːrəs/ across. - Vowels: ɛ in the first syllable, ə in the second, ɜː in the stressed syllable; end with ə/ər + s.
Preposterous comes from the Latin words prae-, meaning 'before' or 'in front,' and posterus, meaning 'coming after' or 'subsequent.' The earliest sense in English implied putting things in the wrong order, reversing the proper sequence. By the 17th century, it evolved to mean ‘having order reversed’ and then, more figuratively, ‘contrary to reason or common sense.’ The modern usage, especially in English-speaking contexts, emphasizes something that is patently unreasonable or silly beyond what one would expect. The shift from a literal spatial sense to a metaphorical sense of logical reversal occurred gradually as writers used the term to critique arguments, plans, or beliefs that violated ordinary standards of logic. The word entered English via legal and scholarly language, becoming common in the 18th and 19th centuries as a caustic descriptor for ideas and propositions that stretched credibility. Its longevity rests on its crisp denominator of rejection: something that is not just wrong, but preposterously so, inviting ridicule and disbelief.
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Words that rhyme with "Preposterous"
-ous sounds
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