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implausible explanation

[ɪmˈplɔːzəbəl ɛkspləˈneɪʃən]
noun phrasefemininepl: implausible explanations / explicações implausíveis
explicação implausível
1. An explanation that is difficult to believe or seems unlikely to be true; a reason or account that lacks credibility or seems unconvincing
His implausible explanation for missing the meeting was that he had been abducted by aliens.
Sua explicação implausível para perder a reunião foi que havia sido abduzido por alienígenas.
2. A justification or description of events that contradicts logic, evidence, or common sense
The detective dismissed the suspect's implausible explanation as a desperate attempt to avoid arrest.
O detetive descartou a explicação implausível do suspeito como uma tentativa desesperada de evitar prisão.
NYC Slang
that's weak / that doesn't hold water / that's garbage
Synonyms
far-fetched explanationunconvincing explanationunbelievable explanationdubious explanationquestionable explanation
Antonyms
plausible explanationcredible explanationconvincing explanationbelievable explanationreasonable explanation

Regional Variations

General Brazilian
explicação implausível
Standard usage across Brazil
São Paulo
explicação implausível / desculpa furada
More colloquial: 'desculpa furada' (literally 'holey excuse')
Rio de Janeiro
explicação implausível / papo-furado
Colloquial equivalent emphasizing lack of credibility
Portugal
explicação implausível / desculpa pouco credível
Standard or more formal phrasing preferred

Related Idioms & Phrases

cock and bull story
tall tale
fish story
doesn't pass the smell test
sounds like a load of bull
that dog won't hunt
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