contemporaneous objection rule
contemporaneous-objection rule. The doctrine that a timely and proper objection to the admission of evidence must be made at trial for the issue of admissibility to be considered on appeal. • An objection is timely if it is made as soon as practicable and is proper if made formally on the record. These requirements afford the trial court an opportunity to correct the alleged error, and they preserve the issue for appeal. [Cases: Appeal and Error 204; Criminal Law 1036. 1.]