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The definition of irregularity

3 Definitions of: irregularity

1. noun, the state or quality of being irregular
2. noun, something irregular, such as a bump in a smooth surface
3. noun, a breach of a convention or normal procedure
4. Show me some examples of this word: irregularity
5. Show me the etymology of the word: irregularity

Synonyms:	random, inconsistency, disorganize, unsteady, haphazard, disorderly, desultory, uneven, deformity, asymmetry	And more...

From Collins