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English definition of “irregular”

irregular

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