Irregularity can refer to something that deviates from the norm, isn't uniform, or lacks consistency. Synonyms for this term include unevenness, variability, inconsistency, disparity, divergence, dissimilarity, and nonconformity. These words describe characteristics that indicate something is irregular or deviates from a standard. Other synonyms include abnormality, anomaly, and oddity, which suggest something unusual or unexpected. Fluctuation, variation, and unpredictability are additional synonyms that reflect irregularity in terms of changes or discrepancies. Regardless of the context, irregularity implies that something is not quite right or doesn't fit neatly into expected patterns.