名词

1. behavior that breaches the rule or etiquette or custom or morality

Synonym: abnormality

2. not characterized by a fixed principle or rate
at irregular intervals

Synonym: unregularity

3. an irregular asymmetry in shape
an irregular spatial pattern

Synonym: geometrical irregularity

4. irregular and infrequent or difficult evacuation of the bowels
can be a symptom of intestinal obstruction or diverticulitis

Synonym: constipation