Astronomers recently discovered a faint irregular galaxy at the edge of the local group.

Many students struggle to memorize irregular verbs when learning English.

After the airline lost my suitcase, I filled out a property irregularity report at the service desk before leaving the airport.

The compliance team reviewed the property irregularity reports before filing a formal complaint.

The irregularists insisted that tradition should make way for improvisation at every performance.

The irregularist refused to follow the town's strict schedule, arriving at meetings at unpredictable hours.

The linguist's paper explored various irregularisations in verb conjugation across dialects.

The irregularisation of certain verbs in the dialect puzzled the students.