An instance of being irregular.
A violation of rules.
An object or event that is not regular or ordinary.
Irregular bowel movement (e.g. diarrhea or constipation).
The state or condition of being irregular, or the extent to which something is irregular.
The state of being unpredictable.
The state of having a low boiling point and evaporating readily.
The state of being able to fly.
The state of not retaining data in the absence of power.
A quantification of the degree of uncertainty about the future price of a commodity, share, or other financial product.
The state of being volatile.