1. instances or examples of being irregular; deviations from a normal, expected, or standard pattern
Usage: plural form of irregularity; commonly used in formal and technical contexts
2. violations of rules, procedures, or standards; breaches of proper conduct or protocol
Usage: often used in legal, administrative, or official contexts

Examples

• The auditor discovered several financial irregularities in the company's records.
• The doctor noted irregularities in the patient's heartbeat during the examination.
• Election officials investigated irregularities in the voting process.
• The surface of the moon shows many irregularities and craters.
• The report flagged irregularities in the data that needed further investigation.
• Despite some irregularities, the overall results were consistent with previous studies.