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
See also
- Anomaly (disambiguation)
- Baker Street Irregulars
- Regular (disambiguation)