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irregular

adjective (TIME/SPACE)
 
 
/ɪˈreɡ.jə.lər/ US  /-lɚ/

Definition

B2 not happening at regular times or not with regular spaces in between: an irregular heartbeat They met at irregular intervals.Frequency and regularity - general words US informal not emptying your bowels as often as you would usuallyDigestive disorders irregularly
 
 
/-li/ adverb
irregularly shaped The verb acts irregularly.Rough, irregular and unevenLinguistic terms and linguistic styleFrequency and regularity - general words
(Definition of irregular adjective (TIME/SPACE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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