WordNet: irregularity, unregularity

not characterized by a fixed principle or rate; at irregular intervals

• hypernym quality

• hyponym inhomogeneity

• hyponym fitfulness, jerkiness

• hyponym intermittence, intermittency

• hyponym fluctuation, wavering

• hyponym haphazardness, noise, randomness, stochasticity

• hyponym unevenness, variability

• hyponym unsteadiness

irregularity

• (englanti) regularity (antonym)

• (englanti) irregular (derivationally related)

• (englanti) irregular (derivationally related)
• (suomi) poikkeavuus (synonyymi)

unregularity

• (suomi) poikkeavuus (synonyymi)