irregularity

noun

1. 1

   An instance of being irregular.

2. 2

   The state or condition of being irregular, or the extent to which something is irregular.

3. 3

   An object or event that is not regular or ordinary.

   “an irregularity of surface”

4. 4

   A violation of rules.

   “An investigation of the irregularities in the company's accounts uncovered a large-scale fraud.”

5. 5

   Irregular bowel movement (e.g. diarrhea or constipation).