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deficient

[/dɪˈfɪʃənt/]
adjective
deficiente
1. lacking in some necessary quality or element; inadequate
The student's deficient knowledge of mathematics prevented him from passing the exam.
O conhecimento deficiente de matemática do aluno o impediu de passar no exame.
2. not having enough of something needed
A deficient diet lacking in vitamins can cause health problems.
Uma dieta deficiente em vitaminas pode causar problemas de saúde.
3. below an acceptable standard or level
The company's deficient customer service led to many complaints.
O atendimento ao cliente deficiente da empresa gerou muitas reclamações.
Synonyms
inadequateinsufficientlackingincompletesubstandard
Antonyms
sufficientadequatecompleteproficientample

Regional Variations

General Brazilian
deficiente
standard usage across Brazil
São Paulo
deficiente
common usage in formal and informal contexts
Portugal
deficiente
standard usage; also used in medical/disability contexts

Related Idioms & Phrases

deficient in resources
deficient in skills
nutritionally deficient
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