2 syllables: fi, bre. Stress on fi.
FEYE-bur
/ˈfaɪbɚ/
fibre is pronounced FEYE-bur (/ˈfaɪbɚ/). It has two syllables (fi-bre), with the stress on "fi". Fibre refers to the indigestible plant material in foods that aids digestion and bowel regularity, often insulated or marketed as dietary fibre. In UK usage it typically denotes what Americans spell as fiber, with contexts spanning nutrition, health, and dietary recommendations. The term also refers to any fibrous substance in materials or textiles. Pronounced with a short i and a long e in most dialects, the word emphasizes a crisp, single-syllable onset before an /ˈfaɪ.bə/ or /ˈfaɪ.bɚ/ rhythm depending on accent.
Fibre refers to the indigestible plant material in foods that aids digestion and bowel regularity, often insulated or marketed as dietary fibre. In UK usage it typically denotes what Americans spell as fiber, with contexts spanning nutrition, health, and dietary recommendations. The term also refers to any fibrous substance in materials or textiles. Pronounced with a short i and a long e in most dialects, the word emphasizes a crisp, single-syllable onset before an /ˈfaɪ.bə/ or /ˈfaɪ.bɚ/ rhythm depending on accent.
"Eating foods rich in fibre can support digestive health."
"The doctor advised increasing your fibre intake to help with bowel regularity."
"This cereal is fortified with extra fibre to aid satiety."
US: /ˈfaɪ.bɚ/ (two syllables, primary stress on FAHY, final rhotic schwa). UK/AU: /ˈfaɪ.bə/ (two syllables, stress on FAHY; final unstressed schwa or /ə/). Tip: start with /faɪ/ as in “fly” plus /b/ and a soft, quick /ə/ or /ɚ/ depending on accent; avoid pronouncing the tensed vowel in the second syllable. Listening is helpful; lower jaw a touch for the second syllable.
Common errors: 1) Turning /ɪ/ in ‘fi’ into a lax, unclear vowel; aim for /aɪ/ as in ‘fly’. 2) Over‑pronouncing the final vowel, producing /əː/ or /ər/ where a soft, quick /ə/ is expected; let it be light and clipped. 3) Adding a noticeable /ɹ/ in non-rhotic accents; in UK/AU you typically have non-rhotic endings; keep the final sound as a quick mid vowel. Practice with ‘fly-buh’ to lock the rhythm.”,
US: /ˈfaɚ.bɚ/ or /ˈfaɪ.bɚ/ depending on regional rhoticity; stress on first syllable; final /ɚ/ is common. UK/AU: /ˈfaɪ.bə/ with non‑rhotic ending; first syllable carries primary stress; final vowel is a short, unstressed /ə/. Australian English often aligns with UK in non‑rhoticity, with slightly wider /ɐ/ sometimes; practice the continental /faɪ/ onset and a clipped final schwa.
The difficulty stems from the two‑syllable structure with a strong diphthong /aɪ/ in the first syllable and a short, reduced second syllable. In non‑rhotic varieties, the final /ə/ or /ɚ/ is quick and often nearly silent, demanding precise timing. For learners, the challenge is maintaining clean separation between syllables while keeping the /aɪ/ clearly pronounced and the second syllable reduced. IPA cues and mouth positioning help stabilize the rhythm.
Focus on the onset: the /faɪ/ chunk is the core; keep your tongue high and forward for the /aɪ/ diphthong, then release to a light /b/ with a short, unrounded vowel. The second syllable should be fast and weak: /ə/ or /ɚ/ depending on accent. Practicing with minimal pairs like ‘fiye’ versus ‘fire’ can reveal subtle variations and help you nail the rhythm in connected speech.
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The word fibre derives from Old French fibre, from Latin fibra meaning thread, fiber, or a woven fibre. The Latin root fibra is linked to Greek hyphe (weave) in related terms. In English, fibre appears in the sense of a slender thread or filament early in Middle English, and gradually broadened to denote dietary fibre in the 19th century with the rise of nutrition science. The UK spelling fibre predates American usage fiber, with the divergence entrenched by the 19th–20th centuries as American English favored simplified spellings. First known in Middle English texts as fibru or fibre to describe filamentous substances, the word broadened to nutrition and textiles as science and industry advanced, with dietary context becoming common by the late 1800s. The semantic shift from “thread-like substance” to dietary fibre reflects a common linguistic pattern where physical properties of a filament inform material and nutritional terminology.
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💡 These words have similar meanings to "fibre" and can often be used interchangeably.
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Words that rhyme with "fibre"
-yer sounds
Practice with these rhyming pairs to improve your pronunciation consistency:
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