proof
🇺🇸
/pruːf/
🇬🇧
/pruːf/
noun
B2
Evidence that shows something is true
The photo is proof that he was there.
R
The act of testing if something is true
We need proof that this idea works.
R
A method to show something is correct
Math proof shows the answer is right.
R
A test copy for fixing mistakes
She read the proof before printing the book.
R
A measure of alcohol strength
This whiskey is 80 proof.
adjective
R
Able to resist damage or harm
The roof is rain proof.
R
Protected against something
Use a fire proof box for important papers.
verb
R
To treat something to protect it
They proof the tent to keep water out.
R
To make a test copy for corrections
The printer will proof the document first.
translation
Evidence that shows something is true; The act of testing if something is true; A method to show something is correct; A test copy for fixing mistakes; A measure of alcohol strength
Able to resist damage or harm; Protected against something
To treat something to protect it; To make a test copy for corrections
Word Forms
3rd Present
proofs
Plural
proofs
Progressive
proofing
Past
proofed
Perfect
proofed