1. the act or process of failing to confirm or validate something; evidence or information that contradicts or refutes a claim or belief
Usage: formal; often used in academic, scientific, or philosophical contexts

Examples

• The new experimental results provided disconfirmation of the original hypothesis.
• Scientists welcomed the disconfirmation of the outdated theory.
• The witness testimony served as disconfirmation of the defendant's alibi.
• Disconfirmation of the rumor came when official records were released.
• The study's findings offered disconfirmation of previous assumptions about the disease.