Irregular

Quick meaning: Irregular is an adjective meaning Nonstandard; not conforming to rules or expectations.

Meaning

Nonstandard; not conforming to rules or expectations.

More Meanings

1. Of a surface, rough.
2. Without symmetry, regularity, or uniformity.
3. (geometry) Of a polygon, not regular; having sides that are not equal or angles that are not equal.
4. (geometry) Of a polyhedron, whose faces are not all regular polygons (or are not equally inclined to each other).
5. (grammar) Of a word, not following the regular or expected patterns of inflection in a given language.
6. A soldier who is not a member of an official military force and who may not use regular army tactics.
7. One who does not regularly attend a venue.

Example Sentences

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

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

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

The improvements will be most keenly felt across Lincolnshire, where current irregular service patterns are more a function of operational convenience than passenger demand.

Word Forms

• irregulars

Synonyms for irregular

Depending on context, synonyms include abnormal, singular, coarse, salebrous, unsteady, heteroclite.

Antonyms for irregular

Common opposites include regular.

Related Words

Related dictionary entries include unconventional, atypical, unorthodox, unpredictable, uneven, asymmetrical.

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