Definitions
1.nounA soldier who is not a member of an official military force and, often, does not follow regular army tactics
2.nounOne who does not regularly attend a venue
3.adjectiveNonstandard; not conforming to rules or expectations
4.adjective(of a surface) rough
5.adjectiveWithout symmetry, regularity, or uniformity
6.adjective(of a polygon) not regular; having sides that are not equal or angles that are not equal
7.adjective(of a polyhedron) whose faces are not all regular polygons (or are not equally inclined to each other)
8.adjective(grammar, of a word) not following the regular or expected patterns of inflection in a given language""Calves", "cacti", and "children" are irregular plurals."