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Click here to customize search results and save them for next searches! Portuguese To English - infalível  adj. unfailing, infallible; unerring; certain, absolute Portuguese To French - infalível  1. (geral) infaillible 2. (remédio) infaillible 3. (método) infaillible; à toute épreuve 4. (pessoa) infaillible

Dictionarist.com  Synonyms for infalível seguro: perfeito, preciso