proof
/pruːf/Evidence or argument that establishes or confirms something as true.
The detective gathered proof that linked the suspect to the crime.
The detective collected evidence that connected the suspect to the crime.
Often used in legal, scientific, or formal contexts.
A trial or test of something's quality or performance.
The new software underwent rigorous proof before release.
The new software was thoroughly tested before being released.
Common in technology and manufacturing contexts.
A sample or specimen of something, such as a printed page.
The editor requested a proof of the final chapter.
The editor asked for a sample of the final chapter to review.
Common in publishing and printing.
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💡Pro Tip
Formal vs. Informal Use
In formal contexts, 'proof' often refers to evidence or testing. In informal contexts, it can refer to a sample or specimen.
⚡Gold Rule
Legal Context
In legal contexts, 'proof' must meet a standard of evidence, such as 'beyond a reasonable doubt' in criminal cases.
📖Word Origin
From Middle English 'pruve', from Old French 'preuve', from Latin 'proba' (test, proof), from 'probare' (to prove).
📝Usage Notes
Can be used as a noun or verb (e.g., 'to proofread'). In formal contexts, often refers to evidence or testing.