Irregular Irregular synonyms uneven irregular and uneven abnormal irregular and abnormal erratic irregular and erratic rough irregular and rough sporadic irregular and sporadic casual irregular and casual spasmodic irregular and spasmodic intermittent irregular and intermittent unorthodox irregular and unorthodox occasional irregular and occasional Full list of synonyms (1871) Irregular antonyms regular irregular and regular normal irregular and normal steady irregular and steady smooth irregular and smooth standard irregular and standard even irregular and even usual irregular and usual conventional irregular and conventional constant irregular and constant systematic irregular and systematic Full list of antonyms (95) Share this picture Share this image Share this picture Share this image