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Vocabulary Entry
proof
|noun • verb • adjective
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N
noun
A demonstration of the truth or validity of something.
Example Sentences
"To succeed in this course, you must provide proof of your previous studies."
"The lawyer presented her proof in the form of documents and witness testimonies."
"He required proof of identity when opening a bank account."
V
verb
To demonstrate that something is true or valid.
Example Sentences
"She needs to proofread her essay before submitting it."
"The scientist aims to proof his theory through experimentation."
"Can you proof your claims with reliable sources?"
A
adjective
Resistant to a specified condition or circumstance.
Example Sentences
"The proof jacket kept him warm during the storm."
"They installed proof windows to protect against strong winds."
"She bought a proof fence to keep her dog from escaping."