The antonyms of the word "unregularity" are numerous, but they all have one common theme: consistency. Regularity, conformity, and predictability are all antonyms of unregularity. Discipline, organization, and methodicalness are also antonyms of unregularity. The opposite of irregular is systematic, methodical, and uniform. When we achieve regularity or consistency, we create order and stability. Being consistent helps us avoid the chaos that often accompanies randomness and unpredictability. To achieve regularity, we must have a plan, be dedicated, and establish good habits. With consistency, we can build strong relationships, achieve success, and fulfill our goals.