Proof/pruːf/ Definition 1 of 6Pro Tip 1/3Legal Context Used in legal situations to show evidence is strong enough to support a case. Without solid proof, the judge dismissed the charges. Pro Tip 2/3Need for Precision Proof must be clear and direct, leaving no room for doubt or interpretation. Scientists require conclusive proof before declaring a new discovery. Pro Tip 3/3Collocations Matter Certain phrases naturally pair with 'proof', emphasizing the need for evidence. After the trial, she demanded proof of innocence.