2 syllables: by, pass. Stress on by.
BEYE-pas
/ˈbaɪˌpæs/
bypass is pronounced BEYE-pas (/ˈbaɪˌpæs/). It has two syllables (by-pass), with the stress on "by". A verb or noun referring to temporarily or permanently avoiding an obstacle, route, or procedure. In medicine or technology it denotes a circumventing route or procedure designed to redirect around an area, often to save time or avoid damage. It can also describe a secondary route created to bypass a blocked path.
A verb or noun referring to temporarily or permanently avoiding an obstacle, route, or procedure. In medicine or technology it denotes a circumventing route or procedure designed to redirect around an area, often to save time or avoid damage. It can also describe a secondary route created to bypass a blocked path.
"The surgeon decided to bypass the blocked artery with a stent."
"They implemented a bypass to avoid the congested city center."
"He used a shortcut to bypass the long waiting line."
Pronounced /ˈbaɪ.pæs/. Start with a strong stressed syllable 'BY' using the diphthong /aɪ/ as in 'my' or 'high'. The second syllable is a light, unstressed 'pass' with /p/ + /æ/ (as in 'pas' in 'pass'), ending with /s/. The two syllables are distinct, with clear boundary: BY-PASS. In careful speech you’ll hear a short pause between syllables. IPA in US/UK/AU is the same: /ˈbaɪ.pæs/.
Common errors: 1) Slurring /ˈbaɪ.pæs/ into /ˈbaɪpæs/ without a clear syllable boundary, 2) Mispronouncing the /æ/ as /e/ or a reduced vowel like /ə/ in the second syllable, 3) Dropping the final /s/ or making it a /z/. Correction: keep the two-syllable rhythm with a light pause: /ˈbaɪ.pæs/. Use a crisp /p/ followed by the short /æ/ and then a voiceless /s/.
US/UK/AU share /ˈbaɪ.pæs/ but vary subtly: US tends to a slightly tenser /aɪ/ and crisper /p/ release; UK often has a sharper /ɪə/ feel if spoken quickly in connected speech, though still /aɪ/; AU tends to a more centralized /æ/ quality in the second syllable with mild vowel raising before /s/. Rhoticity is not a major factor here; the main variation is vowel quality and the pace of syllable reduction in fast speech.
The difficulty stems from the diphthong /aɪ/ in the first syllable and the final /æ/ vs. /æ/ before /s/—the tongue must switch from a high, gliding position to a low, front position quickly. Additionally, the cluster -bp- can lead to mispronouncing the /b/ with coalescent timing, and a tendency to reduce /ə/ or drop /s/ in rapid speech. Practice the two-syllable rhythm slowly, then accelerate while maintaining precise mouth positions.
A distinctive feature is the clear syllable boundary and stress shift when used as a phrasal verb (to bypass something). Even though it’s two syllables, in connected speech you can hear a slight hiatus or a light pause between /ˈbaɪ/ and /pæs/, especially before a stressed object (e.g., bypass the issue). The main surprise is maintaining a crisp /p/ and /s/ without voicing, so you should not voice the final /s/.
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US: emphasize a strong, tense /aɪ/ and a crisp /p/ release; UK: slightly lighter /aɪ/ and a quick but clear /p/; AU: vowel quality in /æ/ in the second syllable more open; consider non-rhotic tendencies in rapid speech where the final /s/ may blend but remains voiceless. IPA references: /ˈbaɪ.pæs/ across variants; vary vowel height subtly, but keep the pattern. Record yourself and compare with native samples.
The word bypass comes from the combination of by- (near, alongside) and pass (to go or move past). The sense of bypassing an obstacle or passage emerged in English by the 15th–16th centuries, originally in physical routing contexts (a by-path or detour around a feature). Over time, metaphorical uses extended to non-physical bypassing, including medical and technical contexts, where a route, channel, or procedure is circumvented to avoid a problem or save time. The term gained prominence in medical literature in the 19th and 20th centuries with vascular bypass strategies (e.g., coronary artery bypass grafting) and later in computing and networking to denote alternative pathways around failures or bottlenecks. The archaic form bypassing is documented as a present participle, while the noun form bypass became common in everyday English by the 18th century and retained flexibility across domains.
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💡 These words have similar meanings to "bypass" and can often be used interchangeably.
🔄 These words have opposite meanings to "bypass" and show contrast in usage.
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Words that rhyme with "bypass"
-ass sounds
Practice with these rhyming pairs to improve your pronunciation consistency:
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