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proof

1 proof /ˈpruːf/ noun
plural proofs
1 proof
/ˈpruːf/
noun
plural proofs
Britannica Dictionary definition of PROOF
[noncount] : something which shows that something else is true or correct
often + of
[count]
: an act or process of showing that something is true
mathematics : a test which shows that a calculation is correct
[count] technical : a copy of something that is going to be printed which is examined and used to make corrections before the final printing is done usually plural
[noncount] : a measurement of how much alcohol is in an alcoholic drink

the proof is in the pudding

see pudding
2 proof /ˈpruːf/ adjective
2 proof
/ˈpruːf/
adjective
Britannica Dictionary definition of PROOF
formal
: designed or made to prevent or protect against something harmful
usually used in combination
3 proof /ˈpruːf/ verb
proofs; proofed; proofing
3 proof
/ˈpruːf/
verb
proofs; proofed; proofing
Britannica Dictionary definition of PROOF
[+ object]