1. changed or modified incorrectly or inappropriately

1. past tense and past participle of misalter; to alter or change something in the wrong way

Examples

• The document was misaltered before being submitted to the court.
• She discovered that the photograph had been misaltered to remove important details.
• The recipe was misaltered, which is why the cake turned out poorly.
• He misaltered the contract terms without authorization.
• The misaltered data led to incorrect conclusions in the research study.