The lack of a common measure between two objects or quantities; incommensurability.
Absence of symmetry or proportion between the parts of a thing, or a distinction that produces such a lack of symmetry.
An object or event that is not regular or ordinary.
A violation of rules.
An instance of being irregular.
Irregular bowel movement (e.g. diarrhea or constipation).
The state or condition of being irregular, or the extent to which something is irregular.