Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “irregular”

irregular

adjective
 
 
/ɪˈreɡjələr/
TIME B2 Irregular actions or events happen with a different amount of time between each one: an irregular heartbeat They met at irregular intervals.Frequency and regularity - general words
SHAPE B2 not smooth or straight, or having parts that are different sizes: an irregular coastlineRough, irregular and uneven
GRAMMAR B1 not following the general rules in grammar: irregular verbs/pluralsVerb forms, tenses and types of verbs
BEHAVIOUR UK formal slightly illegal, or not done in the usual and acceptable way: He led a very irregular life.Wrong
irregularity
 
 
/ɪˌreɡjəˈlærəti/ noun [C, U]
irregularly adverb
(Definition of irregular from the Cambridge Learners Dictionary © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

Definitions of “irregular” in other dictionaries

Word of the Day

maiden

a girl or young woman

Word of the Day

Countability – grammar codes

by Dom Glennon​​,
November 26, 2014
Advices and informations Have you ever noticed strange codes in square brackets on entries in Cambridge Dictionaries Online and wondered what they mean? These are grammar codes, giving you a brief summary of how that word behaves grammatically. More information can be obtained by hovering your cursor over the code, and there’s

Read More 

ped-text verb

November 24, 2014
to text someone while walking I’m ped-texting, I’m looking down at my phone, 75 percent of the time.

Read More