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irregular

adjective

  1. contrary, unusual
L228215 on Wikidata ↗

noun

No English definition recorded for this entry.

L322737 on Wikidata ↗

Wiktionary

Pronunciation: /ɪˈɹɛɡ.jʊ.lə/ / /ɪˈɹɛɡ.jə.lɚ/ / /ɪˈɹeɡ.jə.lə/

adj

Etymology: From Middle English irreguler, from Old French irreguler, from Medieval Latin or Late Latin irrēgulāris, from in- + regularis, equivalent to ir- + regular.

  1. Nonstandard; not conforming to rules or expectations.

    ‘ “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. [...] ’

  2. Of a surface, rough.
  3. Without symmetry, regularity, or uniformity.

    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.

    Near by, where the crystal clear River Llugwy is crossed by a bridge, stands a small and ancient church built of massive, irregular boulders.

  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. Of a word, not following the regular or expected patterns of inflection in a given language.

    "Calves", "cacti", and "children" are irregular plurals.

    "To buy" is an irregular English verb: its past simple and past participle tense is "bought".

noun

Etymology: From Middle English irreguler, from Old French irreguler, from Medieval Latin or Late Latin irrēgulāris, from in- + regularis, equivalent to ir- + regular.

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

    There's one neighborhood tavern where the regulars and irregulars go after a hard day to unlax and rewind, throw back a few, and just hang out - you know the one.