Pronunciation: /pruːf/
noun evidence or argument establishing a fact or the truth of a statement
A1 I need proof of identification before I can let you in.
A2 The scientist presented concrete proof of their hypothesis.
B1 The company provided proof of their financial stability.
B2 The lawyer presented irrefutable proof of the defendant's innocence.
C1 The mathematical proof was so complex that only a few experts could understand it.
C2 The artist's masterpiece was considered proof of their genius.
verb to demonstrate the truth or existence of something by providing evidence or argument
A1 She proofed the document for any spelling errors before submitting it.
A2 I need to proofread my essay before handing it in.
B1 The scientist carefully proofed his research findings before publishing them.
B2 The lawyer proofed the contract to ensure all the terms were accurate.
C1 The editor meticulously proofed the manuscript for any inconsistencies.
C2 The auditor thoroughly proofed the financial statements for any discrepancies.
formal The scientist presented irrefutable proof of his groundbreaking discovery.
informal I need some proof that you actually did your homework.
slang She showed me the receipts as proof that she was telling the truth.
figurative His success in the competition was the ultimate proof of his dedication and hard work.
proved
proofs
more proof
most proof
prove
will prove
have proved
is proving
proof
proof
to prove
proving
proved