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English definition of “happen”

happen

verb [I]  /ˈhæp·ən/ us  

happen verb [I] (HAVE EXISTENCE)

(of a situation or event) to come into existence; occur: If you want to know what is happening in the world, you have to read the newspapers. No one knows exactly what happened, but several people have been hurt. If a situation or event happens to someone or something, it has an effect on that person or thing: What happened to Phil? I thought he would be here by now.

happen verb [I] (CHANCE)

to do or be by chance: [+ to infinitive] I happened to come across this book I think you would like. [+ to infinitive] I happen to think he’s right (= I do, although others may not).
(Definition of happen from the Cambridge Academic Content Dictionary © Cambridge University Press)
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