- occur
- verb occurred, occurring (I) formal
1 to happen: Many accidents occur in the home. | Climatic changes have occurred at intervals throughout the millennium.2 (always + adv/prep) to happen or exist in a particular place or situation(+ in/among etc): Whooping cough occurs mainly in young children. occur to sb phrasal verb (transitive not in passive) if an idea or thought occurs to you, it suddenly comes into your mind: it occurs to sb that: Didn't it occur to you that your husband might be late? | The possibility that she might be wrong never occurred to her. | it occurs to sb to do sth: I suppose it never occurred to you to phone the police? USAGE NOTE: OCCUR WORD CHOICE: occur to, strike, occur, there is, happen, take place, arise, crop up If a thought comes into your mind it occurs to you or strikes you: It suddenly occurred to/struck me I hadn't seen Peter all day. Occur meaning `happen' is rather formal and not common in spoken English: The court will decide what really occurred. Occur to is not used in this sense: A problem occurred to me means `I thought of a problem' NOT `I had a problem'. Usually people use there is...: There was a loud bang from outside. | There's been an accident. | There's going to be a meeting next Tuesday. When the person who something happens to is mentioned, you use have: He had an interview last week. | She's bound to have trouble with the customs officials. Events and processes happen or happen to you, especially if they are not planned: All sorts of unexpected things might happen. | The Industrial Revolution happened in the eighteenth century. | What's happening to us? If you are talking about something that is planned or arranged, you often use take place: The wedding will take place in St Peter's Church. Problems or difficulties arise (formal) and something that happens suddenly and unexpectedly crops up (informal): Let's consider what kind of difficulties might arise from the situation. | I have to go home early - something's cropped up. SPELLING POINT Remember that there are two `r's in occurred and occurring.
Longman dictionary of contemporary English. 2004.