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)