decreasing effectiveness

[/dɪˈkriːsɪŋ ɪˈfɛktɪvnəs/]
noun phrase
eficácia decrescente
1. A gradual reduction in the ability of something to produce the desired result or achieve its intended purpose
The decreasing effectiveness of the antibiotic required a change in treatment strategy.
A eficácia decrescente do antibiótico exigiu uma mudança na estratégia de tratamento.
2. The progressive weakening of performance, potency, or impact over time
Studies showed decreasing effectiveness of the marketing campaign after the third month.
Estudos mostraram a eficácia decrescente da campanha de marketing após o terceiro mês.
This term is widely used in scientific, medical, and business contexts in both Brazil and Portugal. In healthcare, it commonly refers to antibiotic resistance or medication tolerance. In marketing and business, it describes the natural decline in campaign impact over time. The concept is particularly relevant in Brazilian pharmaceutical and tech industries.
Synonyms / Sinônimos
diminishing effectivenessdeclining performancewaning potencyreduced efficacydiminished impact
Antonyms / Antônimos
increasing effectivenessimproving performanceenhanced efficacygrowing potency

Regional Variations

General Brazilian
eficácia decrescente
Most common and widely understood translation across Brazil
São Paulo
eficácia em declínio
Common business and technical usage in corporate environments
Rio de Janeiro
diminuição da eficácia
Alternative phrasing used in academic and medical contexts
Portugal
eficácia decrescente
Same as Brazilian Portuguese; also used as 'eficácia a diminuir'

Related Words

effectivenessefficacyefficiencydiminishing returnsdeclinedeteriorationtoleranceattenuation

Related Idioms & Phrases

the law of diminishing returns
losing steam
running out of gas
wear and tear
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