Antonyms of noun regularity

1 of 2 senses of regularity

Sense 2
regularity -- (the quality of being characterized by a fixed principle or rate; "he was famous for the regularity of his habits")
       Antonym of irregularity (Sense 2)
      => irregularity, unregularity -- (not characterized by a fixed principle or rate; at irregular intervals)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun regularity

2 senses of regularity

Sense 1
regularity, geometrical regularity -- (a property of polygons: the property of having equal sides and equal angles)
       => symmetry, symmetricalness, correspondence, balance -- ((mathematics) an attribute of a shape or relation; exact reflection of form on opposite sides of a dividing line or plane)

Sense 2
regularity -- (the quality of being characterized by a fixed principle or rate; "he was famous for the regularity of his habits")
       => quality -- (an essential and distinguishing attribute of something or someone; "the quality of mercy is not strained"--Shakespeare)