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ineficaz

[i.ne.fi.ˈkas]
adjectivepl: ineficazes
ineffective
1. Not producing the desired or expected result; lacking effectiveness
The medication proved ineffective against the disease.
O medicamento provou ser ineficaz contra a doença.
2. Unable to accomplish a purpose; powerless
The government's efforts to combat corruption were ineffective.
Os esforços do governo para combater a corrupção foram ineficazes.
3. Not producing the intended legal effect (legal term)
The contract was declared ineffective due to lack of proper signatures.
O contrato foi declarado ineficaz devido à falta de assinaturas apropriadas.
Synonyms
inútilimpotenteinfrutíferoimprodutivoincapaz
Antonyms
eficazeficienteprodutivoútilcapaz

Regional Variations

General Brazilian
ineficaz
Standard usage in Brazil
São Paulo
ineficaz
Standard usage
Rio de Janeiro
ineficaz
Standard usage
Portugal
ineficaz
Standard usage in Portugal; sometimes more formal

Related Idioms & Phrases

uma medida ineficaz
prova ineficaz
método ineficaz
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