undocumented reason

[ˌʌndɒkjuˈmɛntɪd ˈriːzən]
noun phrasepl: undocumented reasons
motivo não documentado
1. A reason or cause that has not been officially recorded, written down, or formally established in documentation
The system crashed for an undocumented reason that the developers could not explain.
O sistema travou por um motivo não documentado que os desenvolvedores não conseguiam explicar.
2. In software development, a feature or behavior that exists but lacks official explanation in technical documentation
This API endpoint behaves differently for undocumented reasons.
Este endpoint da API se comporta diferentemente por razões não documentadas.
3. A cause or explanation that has not been officially stated or made public
The project was cancelled for undocumented reasons.
O projeto foi cancelado por motivos não documentados.
This phrase is particularly common in technology and software development communities in both Brazil and the USA, where it often refers to bugs or behaviors that lack proper documentation. In Brazilian corporate culture, citing an 'undocumented reason' is sometimes used euphemistically to avoid taking responsibility or providing a clear explanation.
NYC Slang
no cap reason / mystery reason (informal slang equivalent in NYC tech circles)
Synonyms / Sinônimos
unexplained reasonundisclosed reasonunrecorded causeunspecified motivemysterious reason
Antonyms / Antônimos
documented reasonofficial reasonstated reasonrecorded causeexplained motive

Regional Variations

General Brazilian Portuguese
motivo não documentado
Standard formal usage in business and technical contexts
Rio de Janeiro
motivo não documentado / razão não documentada
Both forms commonly used in informal speech
São Paulo
motivo não documentado
Preferred in corporate and technical environments
Portugal
motivo não documentado / razão não documentada
Similar usage to Brazilian Portuguese but with different accent and intonation

Related Words

documentationreasoncauseexplanationundocumentedunrecordedundisclosedmysterious

Related Idioms & Phrases

for reasons unknown
for reasons undisclosed
without explanation
by some mysterious twist
Look up more words on Fala2Me
The free English-Portuguese dictionary with real Brazilian accents, NYC slang, conjugator and more
Open Fala2Me →