irregular Meaning, definition in Cambridge English Dictionary
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Meaning of "irregular" - English Dictionary

See all translations

irregularadjective

uk   /ɪˈreɡ.jə.lər/  us   /-lɚ/

irregular adjective (RULE)

formal (of behaviour or actions) not according to usual rules or what is expected: Releasing the goods without an invoice is most irregular.B1 specialized language An irregular verb, noun, adjective, etc. does not obey the usual rules for words in the language.
More examples

irregular adjective (SHAPE)

B2 not regular in shape or form; having parts of different shapes or sizes: an irregular coastline irregular teeth

irregular adjective (TIME/SPACE)

B2 not happening at regular times or not with regular spaces in between: an irregular heartbeat They met at irregular intervals. US informal not emptying your bowels as often as you would usually

irregular adjective (SOLDIER)

(of a soldier) fighting for a country but not as a member of its official army
irregularly
adverb uk   us   /-li/
irregularly shaped The verb acts irregularly.

irregularnoun [C]

uk   /ɪˈreɡ.jə.lər/  us   /-lɚ/
a soldier who is not a member of the official army of a country
(Definition of irregular from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of irregular?
Add Cambridge dictionaries to your browser to your website

Definitions of “irregular” in other dictionaries

Word of the Day
the real McCoy

the original or best example of something

Word of the Day

July 4th, Bastille Day, and the language of revolution.
July 4th, Bastille Day, and the language of revolution.
by Liz Walter,
July 01, 2015
With the USA’s Independence Day on the 4th and France’s Bastille Day on the 14th, July certainly has a revolutionary theme, so this blog looks at words and phrases we use to talk about the dramatic and nation-changing events that these days celebrate. In particular, it focuses on one of the most

Read More 

generation pause noun
generation pause noun
July 06, 2015
informal young adults who are not able to do things previously typical for their age group such as buy a home or start a family because of lack of money Meanwhile, a new study released last week revealed a quarter of Brits believe they’ll never own a property, leading them to be

Read More