1 not having a shape or pattern that we recognize or can predict 不规则的;无规律的:
an irregular shape不规则的形状
2 happening at times that you cannot predict 不定期的:
His visits became more and more irregular.他的探视越来越不定期了。
3 not allowed according to the rules or social customs 不合规矩的;不合常规的:
It is highly irregular for a doctor to give information about patients without their permission.医生未经病人同意把他们的资料公开是不合规矩的。
4 (grammar语法) not following the usual rules of grammar 不规则变化的:
irregular verbs不规则动词‘Caught’ is an irregular past tense form.caught是不规则变化的过去时形式。 [OPP] for senses 1, 2 and 4regular 第1、2及4义的反义词皆为regular
irregular/Iˋrɛgjəlɚ; Iˈreɡjələ or Iˈreɡjʊlə/adj 1 not happening at regular times〔时间〕不规律的﹔不按时的﹐不定时的: an irregular heartbeat 不规律的心跳He returned to Britain at irregular intervals . 他不定期地回英国。2 an irregular shape or surface is not smooth, even, or straight〔形状〕不规则的﹔〔表面〕不平整的3 not following the usual rules in grammar 不符合语法规则的: irregular verbs 不规则动词4 formal not obeying legal or moral rules【正式】不合法的﹔不符合道德规范的: financially irregular practices 财务上不合法的做法 —irregularly adv —irregularity /I͵rɛgjəˋlærətI; Iˌreɡjəˈlærəti or IˌreɡjʊˈlærIti/n [C,U]
irregularirregularirregularsadjective1happening at different times: Their visits were irregular.oppositeregular2A word that is irregular does not have the usual verb forms or plural: ‘Catch’ is an irregular verb.oppositeregular