- 1[intransitive] (formal) to happen When exactly did the incident occur? Something unexpected occurred.
- 2[intransitive] + adv./prep. to exist or be found somewhere Sugar occurs naturally in fruit. Phrasal Verbsoccur to somebody
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NAmE//əˈkər//Verb Forms present simple I / you / we / they occur
he / she / it occurs
past simple occurred
-ing form occurring