prova fiável

[ˈpɾɔvɐ fiˈavɛl]

nounfemininepl: provas fiáveis

reliable proof / reliable evidence

1. Evidence or documentation that can be trusted and depended upon because it is accurate, consistent, and verifiable

The witness provided reliable proof of his whereabouts on the night of the incident.

A testemunha forneceu prova fiável do seu paradeiro na noite do incidente.

2. In scientific or academic contexts, evidence that meets standards of validity and can be replicated or verified

The laboratory results served as reliable proof of the chemical composition.

Os resultados do laboratório serviram como prova fiável da composição química.

Synonyms

Antonyms

Regional Variations

General Brazilian

prova confiável / prova fiável

Both forms are used; 'confiável' is more common in everyday Brazilian Portuguese

São Paulo

prova confiável

Preference for 'confiável' in legal and business contexts

Portugal

prova fiável

Standard usage; 'fiável' is the preferred adjective in European Portuguese

prova de fogo - the ultimate test

provas em contrário - evidence to the contrary

prova irrefutável - irrefutable proof

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