Irregular

Look up irregular or irregularity in Wiktionary, the free dictionary.

Something that is irregular does not follow the expected pattern. The term is used in many different fields, with various meanings.

Accounting

• Accounting irregularity

Astronomy

• Irregular galaxy
• Irregular moon
• Irregular variable

Language

• Irregular inflection, the formation of derived forms such as plurals in unpredictable ways
  • Irregular verb

Law

• Against regulations
• In canon law, an irregularity is an impediment for the Catholic priesthood or for exercising orders already received

Mathematics

• Irregularity of a surface
• Irregularity of distributions
• Irregularity in shapes
• Irregularity index

Medicine

• Irregular bone
• Irregular heartbeat
• Constipation, also called "irregularity"
• Irregular menstrual cycle

Military

• Irregular military

Other

• Irregular chess opening

See also

• Anomaly (disambiguation)
• Baker Street Irregulars
• Regular (disambiguation)