nonstandard; not conforming to rules or expectations / (of a surface) rough / without symmetry, regularity, or uniformity

A soldier who is not a member of an official military force and who may not use regular army tactics. / One who does not regularly attend a venue.

(countable) An instance of being irregular. / (uncountable) The state or condition of being irregular, or the extent to which something is irregular.

plural of irregularity

plural of irregular

Quality of being irregular.

Third-person singular simple present indicative form of irregularize

simple past tense and past participle of irregularize

present participle of irregularize

plural of irregularization