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proof
/pruːf/
What does "proof" mean in English?
evidence or argument establishing a factThe scientist provided irrefutable proof of the theory.
The scientist presented evidence that clearly confirmed the theory.
How to use "proof" correctly: definitions and examples in English?
general
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.
general
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.
general
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.
Collocations
proof ofevidence that something is trueproof againstevidence that something is false or invalidstand the proofto withstand testing or scrutiny
Related Phrases
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.
Word Breakdown
pro-
forward, in favor of
prefix-of
indicating possession or relationship
suffix-f
related to testing or verification
suffixEnglish Dictionary