1. altered or modified before a particular point in time or before a specified event
Usage: typically used in technical, legal, or formal contexts

Examples

• The prealtered documents were submitted as evidence in the trial.
• The software detected prealtered files in the system backup.
• The prealtered contract contained terms that were not originally agreed upon.
• Investigators found prealtered timestamps on the digital records.
• The prealtered samples showed signs of tampering before the analysis began.