Irregular

Irregular, irregulars or irregularity may refer to any of the following:

• Irregular galaxy
• Irregular moon
• Irregular variable, a kind of star

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

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

• Irregularity of a surface
• Irregularity of distributions
• Irregularity index

• Irregular bone
• Arrhythmia, also known as an irregular heartbeat
• Constipation, also called "irregularity"

• The Irregulars, a 2021 Netflix series
• Accounting irregularity
• Irregular military
• Irregular chess opening