amerikai:
brit:
1. A soldier who is not a member of an official military force and, often, does not follow regular army tactics
2. One who does not regularly attend a venue
1. Nonstandard; not conforming to rules or expectations
2. (of a surface) rough
3. Without symmetry, regularity, or uniformity
4. (of a polygon) not regular; having sides that are not equal or angles that are not equal
5. (of a polyhedron) whose faces are not all regular polygons (or are not equally inclined to each other)
6. (grammar, of a word) not following the regular or expected patterns of inflection in a given language
"Calves", "cacti", and "children" are irregular plurals.