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audio example by a female speaker
the above transcription of proof is a detailed (narrow) transcription according to the rules of the International Phonetic Association; you can find a description of each symbol by clicking the phoneme buttons in the secction below.
press buttons with phonetic symbols to learn how to precisely pronounce each sound of proof
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An example use of proof in a speech by a native speaker of british english:
“… bag a big dust proof bag which could be …”
Proof is a piece of evidence that is used to support a claim or belief.
the word proof occurs in english on average 27 times per one million words; this frequency warrants it to be in the study list for B2 level of language mastery according to CEFR, the Common European Framework of Reference.
it is hard to perfectly classify words into specific topics since each word can have many context of its use, but our machine-learning models believe that proof can be often used in the following areas:
1) communication, information, and media;
2) education, science, and technology;