3 syllables: im, pair, ing. Stress on pair.
/ˌɪˈmpɛɹɪŋ/
Say it backImpairing is the present participle or gerund form of impair, meaning to hinder, damage, or weaken something—often relating to health, function, or performance. It denotes causing a deterioration that reduces effectiveness or capability. In context, it highlights the act of making something less able to function as intended, rather than a completed state.
"The loud construction noise is impairing the workers' concentration."
"Smoking can be impairing lung function over time."
"The medication is impairing his balance, so he must avoid stairs."
Pronounced /ɪmˈpɛərɪŋ/ (US) or /ɪmˈpeərɪŋ/ (UK). The primary stress is on the second syllable 'pair' which sounds like 'pair' as in 'pear' with a long a. Start with a short short 'im' /ɪm/ and then a stressed 'pair' /ˈpɛər/ in US or /ˈpeə/ in UK, followed by the suffix /-ɪŋ/ representing the gerund, lightly touching the 'ing' without extra syllables. Mouth: the lips spread slightly for /ɛə/ or /eə/ and the tongue stays low in the mouth for the /p/ and /r/ cluster. A quick practice: im- + pair + -ing, keeping stress steady on the middle syllable.
Common errors include misplacing stress (saying im-PAIR-ing with equal emphasis) or blending the /p/ and /r/ too loosely, resulting in /ɪmˈpeərɪŋ/ or /ɪmˈpærɪŋ/ depending on accent. Some speakers also drop the /ɪ/ before -ing or mispronounce the /ɛə/ diphthong as a pure /e/ sound. Corrective tips: maintain the clear /ˈpɛər/ or /ˈpeə/ vowel nucleus, ensure the /p/ is aspirated, and keep the /r/ after the vowel with a slight retroflex movement in rhotic accents. Practice with minimal pairs and exaggerated placement before returning to natural speech.
In US English, /ɪmˈpɛərɪŋ/ with a rhotic /r/. In many UK varieties, /ɪmˈpeəriŋ/ or /ɪmˈpeərɪŋ/ may occur with a non-rhotic /r/ and a longer /eə/ sequence. Australian English often features a more centralized vowel in the /ɛə/ region and can display a broader /ɪ/ before the stressed syllable, giving /ɪmˈpeːrɪŋ/ or /ɪmˈpeəriŋ/ depending on the speaker. The key differences: rhoticity, vowel quality in the stressed syllable, and the exact duration of the /eə/ or /eər/ nucleus.
The difficulty lies in the stressed diphthong /ˈpɛər/ or /ˈpeə/ combined with the following /ɪŋ/. Many speakers misplace the stress, mispronounce the diphthong, or insert an extra syllable in -ing. Coarticulation between the /p/ and /ˈpɛər/ can blur the boundary, and non-native speakers often substitute the /ɪ/ before -ing with a schwa or reduce the final -ing cluster too much. Focus on maintaining a clear, tense mid-front vowel nucleus in the stressed syllable and a crisp, unlenited /ŋ/ at the end.
A unique feature is the mid-stress placement on /ˈpɛər/ that requires a precise onset stop /p/ followed by a tight, tense vowel nucleus for the /ɛə/ or /eə/ sound. Unlike some related words, 'impairing' maintains a stable, strong vowel in the middle even before the nasal /ŋ/. The sequence demands careful tongue alignment to avoid slurring the /p/ into the following vowel, and the final -ing should be voiced lightly with a crisp final /ŋ/.
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Impairing comes from the verb impair, which traces to Middle English impairen, from Old French improfier or empeier, and ultimately from the Latin in- (not) + parare (to prepare, make ready). The root parare evolves into meaning to prepare or fit, which over time shifted in several languages toward the sense of making something worse rather than better. In English, impair appeared around the 14th–15th centuries with meanings connected to damage or weakening, often in relation to health or property. The present participle impairing developed naturally from impair to denote ongoing action causing impairment. The suffix -ing marks the participle form used as a verb, gerund, or modifier. First known uses appear in medical and legal texts where impairment of function or property was discussed, gradually broadening to general contexts of hindrance or deterioration. Modern usage commonly applies to health, balance, vision, hearing, or performance, with the word frequently collocated with nouns like function, balance, vision, or concentration. The evolution reflects a shift from physical damage to more abstract or functional deterioration, but it consistently retains the core sense of reducing ability or effectiveness.
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Words that rhyme with "impairing"
-ing sounds
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