Irregular
Look up irregular or irregularity in Wiktionary, the free dictionary.
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
 
Law
- Against regulations
 - In canon law, an irregularity is an impediment for the Catholic priesthood or for exercising orders already received
 
Mathematics
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