title: Irregular
text: # Irregular
  
  Irregular, irregulars or irregularity may refer to any of the following:
  
  ## Astronomy
  
  * Irregular galaxy
  * Irregular moon
  * Irregular variable, a kind of star
  
  ## 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 index
  
  ## Medicine
  
  * Irregular bone
  * Arrhythmia, also known as an irregular heartbeat
  * Constipation, also called "irregularity"
  
  ## Other
  
  * The Irregulars, a 2021 Netflix series
  * Accounting irregularity
  * Irregular military
  * Irregular chess opening
  