irregularity
irregularity - noun
behavior that breaches the rule or etiquette or custom or morality
not characterized by a fixed principle or rate; at irregular intervals
an irregular asymmetry in shape; an irregular spatial pattern
irregular and infrequent or difficult evacuation of the bowels; can be a symptom of intestinal obstruction or diverticulitis
irregularity - thesaurus
abnormality
constipation
unregularity