impaired performance

[ɪmˈpeərd pərˈfɔːrməns]
noun phrasepl: impaired performances
desempenho prejudicado
1. a reduction in the quality, effectiveness, or ability to perform a task or function due to injury, illness, fatigue, or other factors
The athlete's impaired performance was due to a recent injury.
O desempenho prejudicado do atleta foi devido a uma lesão recente.
2. diminished cognitive or physical capability affecting work, academic, or daily activities
Alcohol consumption can lead to impaired performance while driving.
O consumo de álcool pode levar a desempenho prejudicado ao dirigir.
3. in medical or psychological contexts, observable decline in functional abilities
The patient showed impaired performance on cognitive tests after the stroke.
O paciente apresentou desempenho prejudicado nos testes cognitivos após o acidente vascular cerebral.
This term is widely used in medical, occupational, and sports contexts in both American English and Brazilian Portuguese. In the USA, it's particularly prevalent in workplace safety discussions, DUI/DWI legal cases, and medical evaluations. In Brazil, it's commonly used in occupational health (saúde ocupacional) and clinical psychology settings. The phrase carries professional and formal connotations in both cultures.
NYC Slang
off one's game; not firing on all cylinders; phoning it in
Synonyms / Sinônimos
reduced performancedegraded performancediminished performancecompromised performancesuboptimal performanceweakened performance
Antonyms / Antônimos
enhanced performanceimproved performanceoptimal performancepeak performanceexcellent performance

Regional Variations

General Brazilian
desempenho prejudicado
most common and formal usage across Brazil
Brazil (informal)
desempenho ruim
more colloquial alternative in casual speech
Portugal
desempenho comprometido
common in European Portuguese with slightly different emphasis
Technical/Medical
comprometimento do desempenho
used in clinical and technical documentation

Related Words

cognitive impairmentperformance deficitfunctional limitationdisabilityunderperformanceinefficiencycompetenceproficiency

Related Idioms & Phrases

below par
not up to par
off one's game
at half strength
firing on fewer cylinders
not one's best
estar abaixo do esperado (Portuguese)
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