- [countable, uncountable]
an activity or a practice that is not according to the usual rules, or not normal 不合乎常规的行为；不正常的做法 alleged irregularities in the election campaign 被指称竞选运动中的不正当行为 Investigators found no evidence of financial irregularity. 调查人员没有发现金融违规行为的证据。 Irregularities occur when there is no central control. 缺乏中央控制就会出现违规行为。
Oxford Collocations Dictionaryadjective- serious
- minor
- slight
- …
- investigate
- detect
- report
- …
- occur
- irregularity in
- [countable, uncountable]
something that does not happen at regular intervals 不规则（或无规律）的事物 a slight irregularity in his heartbeat 他略微的心跳不齐
- [uncountable, countable]
something that is not smooth or regular in shape or arrangement 不整齐的事物；不平整的事物 compare regularity
Word OriginMiddle English: from Old French irregularite, from late Latin irregularitas, from irregularis, from in- ‘not’ + regularis (from regula ‘rule’).