The Clue
Demonstration of validity (5 letter answer)
The Answer
PROOF
Tags
Notes
The answer PROOF is uncommon, appearing about once every 525 puzzles.
Related Clues
Certification
Confirmation
Demonstration
Evidence
___ positive
Validation
86 is a high one
90 is a high one
Alcoholic strength
Conclusive evidence
The goods, to a D.A.
Math discovery
Math work
Potable's potency
Prosecutor's burden
"Smoking gun"
Smoking gun
Theorem work
Trial print
90 is a pretty high one
Bit of math homework
Homework problem in geometry
Photographer's test print
Suffix with fool or weather
Definition
PROOF as a noun:
1. (proof, cogent evidence) = any factual evidence that helps to establish the truth of something; "if you have any proof for what you say, now is the time to produce it"
2. a formal series of statements showing that if one thing is true something else necessarily follows from it
3. a measure of alcoholic strength expressed as an integer twice the percentage of alcohol present (by volume)
4. (proof, test copy, trial impression) = (printing) an impression made to check for errors
5. a trial photographic print from a negative
6. (validation, proof, substantiation) = the act of validating; finding or testing the truth of something
PROOF as a verb:
1. make or take a proof of, such as a photographic negative, an etching, or typeset
2. knead to reach proper lightness; "proof dough"
3. (proofread, proof) = read for errors; "I should proofread my manuscripts"
4. activate by mixing with water and sometimes sugar or milk; "proof yeast"
5. make resistant (to harm); "proof the materials against shrinking in the dryer"
PROOF as an adjective:
1. (used in combination or as a suffix) able to withstand; "temptation-proof"; "childproof locks"