One syllable: failed.
/ˈfeɪld/
Say it backFailed is the past tense of fail, meaning to not succeed in a task or objective. In pronunciation terms, it is a one-syllable word ending with a voiced alveolar stop followed by a vowel, often realized with a trailing -ed suffix that can influence the preceding consonant sound. The word commonly appears in contexts of assessment, performance, or effort that did not meet expectations.
"He failed the exam after running out of time."
"The plan failed due to poor communication."
"She failed to notice the warning signs."
Pronounced /feɪld/ in US, UK, and AU. It’s a single stressed syllable with a long diphthong /eɪ/ followed by the dark /l/ and a final /d/. The tongue rises to produce /eɪ/ before relaxing into /l/ with the tongue tip touching the alveolar ridge, then a crisp /d/ release. In careful speech, the /d/ is released; in fast speech you may hear partial assimilation, but aim for a clear /d/.
Common errors: 1) Pronouncing as /feɪlt/ with a silent or weak /d/—mistakes the ending; ensure the /d/ is audible. 2) Using /f/ at the start seamlessly without the /eɪ/ clearly forming—practice the diphthong to avoid a monophthong. 3) Substituting /æ/ or /ɛ/ for /eɪ/ in the vowel sound, leading to /falld/ or /felld/. Correction: articulate the /eɪ/ as a glide from /e/ to /ɪ/ with lip rounding and hold the tip of the tongue at the alveolar ridge for the /l/ before the /d/.
In US English, you’ll hear a clear /feɪld/ with a rhotic r-influence not present here; UK English maintains the same /feɪld/ but with a lighter lip rounding and a slightly crisper /d/; Australian English tends to be non-rhotic and may forward-center vowels slightly; final /l/ is dark with the tongue tip behind the lower teeth; the /d/ release is often less forceful in casual speech.
The difficulty lies in the final /ld/ cluster: the tongue must transition from a dark /l/ posture to a crisp /d/ release without inserting a schwa, which often leads to a slower or slurred ending in rapid speech. Also, maintaining the /eɪ/ diphthong clearly before the /l/ can be challenging when the speech is fast because English tends to reduce vowels in unstressed contexts; focus on sustaining the diphthong and crisp /d/.
A distinctive search-query aspect is the perception of the final /d/ in fast connected speech: some speakers may realize a partial assimilation or alveolar click in rapid sequences (e.g., ‘failed avenir’ would not exist, but in phrases like ‘failed to’ you can hear assimilation). The essential feature remains the /eɪ/ diphthong + /ld/ ending, which distinguishes it from similar-sounding forms.
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US: rhotics present; /ɹ/ is noticeable in surrounding words but not in failed itself. UK: similar /feɪld/, crisper /d/ and lighter vowel; AU: less vowel length variance, more relaxed final consonants, non-rhotic stances. Vowel quality: keep /eɪ/ clear; avoid reducing to /e/ or /aɪ/. Consonants: /l/ may be dark; /d/ should be released briskly; link to next word if continuing speech.
Failed comes from the Old French fal(l)eer? or failier, from Latin fallo meaning ‘to deceive, to err, to be mistaken.’ The English verb ‘fail’ emerged in Middle English with meanings tied to ‘to be ineffective, to miss a target, to be deficient, or to cease.’ The suffix -ed marks past tense in modern English. The sense of not meeting a standard or expectation gained traction in the 14th–16th centuries as administrative and legal language broadened, including phrases about failing to keep an oath or to fulfill a duty. The word’s semantic drift also intersects with ‘false’ and ‘fault’ in phonology and meaning, but ‘fail’ remains focused on the failure of success, reliability, or function. Over time, ‘fail’ has also acquired figurative sense in modern usage (e.g., a policy failed, a plan failed), while in pronunciation the final -ed after a voiceless alveolar stop in some dialects leads to a reduced or voiced release depending on the following vowel and prosody. First known uses appear in Middle English texts around the 14th century, with earlier Latin and French roots that influenced English spelling and pronunciation patterns for consonant clusters and tense endings.
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💡 These words have similar meanings to "failed" and can often be used interchangeably.
🔄 These words have opposite meanings to "failed" and show contrast in usage.
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Words that rhyme with "failed"
-led sounds
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