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.
Something that is rough; a rough spot.
A measure of how rough something is, such as a surface
Abundance, especially of food.
Roughage; coarse fodder.
The property of being rough, coarseness.