unexpected behavior

[/ˌʌnɪkˈspɛktɪd bɪˈheɪvjər/]
noun phrasepl: unexpected behaviors
comportamento inesperado
1. An action, reaction, or manner of functioning that differs from what was anticipated or considered normal
The software exhibited unexpected behavior when processing large files.
O software exibiu um comportamento inesperado ao processar arquivos grandes.
2. Conduct or demeanor that surprises or contradicts reasonable expectations
His unexpected behavior at the meeting shocked everyone in attendance.
Seu comportamento inesperado na reunião chocou todos os presentes.
3. In technical contexts, a malfunction or deviation from programmed specifications
The developer reported unexpected behavior in the application's database queries.
O desenvolvedor reportou comportamento inesperado nas consultas do banco de dados da aplicação.
In Brazilian tech culture, 'comportamento inesperado' is the standard technical term used in bug reports and software documentation. In casual American English, 'acting up' or 'tripping' are common colloquial equivalents. This phrase is universally understood in both technical and social contexts across English and Portuguese-speaking regions.
NYC Slang
acting up / tripping
Synonyms / Sinônimos
surprising behavioranomalous behaviorerratic conductunusual actionaberrant behavior
Antonyms / Antônimos
expected behaviornormal conductpredictable behaviorconsistent behavior

Regional Variations

General Brazilian Portuguese
comportamento inesperado
Standard usage across Brazil
São Paulo
comportamento inesperado / comportamento estranho
Both terms used equally in technical and casual contexts
Rio de Janeiro
comportamento inesperado / atitude inesperada
'Atitude' more commonly used for personal conduct
Portugal
comportamento inesperado / comportamento imprevisto
'Imprevisto' is equally acceptable in European Portuguese

Related Words

anomalymalfunctiondeviationglitchconductdemeanor

Related Idioms & Phrases

out of character
caught off guard
threw me for a loop
not like them at all
algo estranho aconteceu
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