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The definition of happening

3 Definitions of: happening

1. noun, an occurrence; event
2. noun, an improvised or spontaneous display or performance consisting of bizarre and haphazard events
3. adjective, fashionable and up-to-the-minute
4. Show me some examples of this word: happening
5. Show me the etymology of the word: happening

Synonyms:	case, adventure, phenomenon, event, incident, occasion, experience, chance, affair, scene	And more...

From Collins