irregular saksaksi - Sanakirja.org (englanti-saksa)

Nonstandard; not conforming to rules or expectations.
Of a surface, rough.
Without symmetry, regularity, or uniformity.
(geometry, of a polygon) Not regular; having sides that are not equal or angles that are not equal.
(geometry, of a polyhedron) Whose faces are not all regular polygons (or are not equally inclined to each other).

A soldier who is not a member of an official military force and, often, does not follow regular army tactics.

‘ “It would be most irregular Grandpa!” says Miss Cecily frowning and tapping her foot. “Well, we’re a pretty irregular family so that’s neither here nor there,” says the old man, impish like. [...] ’
The hovel stood in the centre of what had once been a vegetable garden, but was now a patch of rank weeds. Surrounding this, almost like a zareba, was an irregular ring of gorse and brambles, an unclaimed vestige of the original common.
Many of these classic methods are still used, with some modern improvements. For example, with the aid of special microphones and automated sound detection software, ornithologists recently reported […] that pine siskins undergo an irregular, nomadic type of nocturnal migration.
Irregular bedtimes may disrupt healthy brain development in young children, according to a study of intelligence and sleeping habits. ¶ Going to bed at a different time each night affected girls more than boys, but both fared worse on mental tasks than children who had a set bedtime, researchers found.

Sanakirja.org