irregular Meaning in the Cambridge English Dictionary Cambridge dictionaries logo

Meaning of “irregular” in the English Dictionary

"irregular" in British English

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irregularadjective

uk   /ɪˈreɡ.jə.lər/  us   /-lɚ/
  • irregular adjective (RULE)

formal (of ​behaviour or ​actions) not ​according to ​usualrules 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 ​usualrules for words in the ​language.

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  • irregular adjective (SOLDIER)

(of a ​soldier) ​fighting for a ​country but not as a ​member of ​itsofficialarmy
irregularly
adverb uk   us   /-li/
irregularly ​shaped The ​verbacts irregularly.

irregularnoun [C]

uk   /ɪˈreɡ.jə.lər/  us   /-lɚ/
a ​soldier who is not a ​member of the ​officialarmy of a ​country
(Definition of irregular from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"irregular" in American English

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irregularadjective

 us   /ɪˈreɡ·jə·lər/
  • irregular adjective (SHAPE)

not ​regular in ​shape or ​form; having ​parts of different ​shapes or ​sizes: an irregular ​surface
  • irregular adjective (TIME/SPACE)

not ​happening at ​regulartimes, or not having ​usual or ​regularspaces in between: There are irregular ​spaces between the words. He ​showed up at irregular ​intervals.
  • irregular adjective (RULE)

(of ​behavior or ​actions) not ​according to ​usualrules or what is ​expected grammar An irregular ​verb, ​noun, ​adjective, or other ​type of word does not ​obey the ​usualrules in the ​language for ​changing word endings.
(Definition of irregular from the Cambridge Academic Content Dictionary © Cambridge University Press)

"irregular" in Business English

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irregularadjective

uk   us   /ɪˈreɡjələr/
not ​happening at ​regulartimes or in ​regularamounts: Many ​firms have an irregular cashflow. You will not be penalised for ​contributing irregular ​amounts, or missing or ​stoppingpayments. Airport ​staffinspect the runways three ​times a day at irregular intervals.
not according to usual ​rules or what is expected, and often not acceptable: Investigators ​found these ​bankdeposits to be highly irregular because the ​amountexceeded the man's ​income. Certain irregular ​businesspractices were ​identified.
(Definition of irregular from the Cambridge Business English Dictionary © Cambridge University Press)
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“irregular” in Business English

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