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
straight

the straight part of a racetrack (= the track on which competitors race)

Word of the Day

Are you a glass-half-full person? (Everyday Idioms)
Are you a glass-half-full person? (Everyday Idioms)
by Kate Woodford,
July 29, 2015
A reader of this blog recently asked for a post on idioms that are used in everyday English. This seemed like a reasonable request. After all, if you are going to make the effort to learn a set of English idioms, you want those idioms to be useful. The question, then, was

Read More 

exoskeleton noun
exoskeleton noun
July 27, 2015
a robotic device which goes around the legs and part of the body of a person who cannot walk and allows them to move independently and in an upright position The device, known as an exoskeleton, is strapped to the outside of a person’s limbs and can then be controlled by them.

Read More