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English definition of “may”

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may

modal verb uk   /meɪ/ us  

may modal verb (POSSIBILITY)

A2 used to express possibility: There may be other problems that we don't know about. I may see you tomorrow before I leave. The cause of the accident may never be discovered. The explosion may have been caused by a faulty electrical connection. We'd better not interfere - she may not like it. There may be some evidence to suggest she's guilty, but it's hardly conclusive.
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may modal verb (PERMISSION)

B1 formal used to ask or give permission: A reader may borrow up to six books at any one time. "May I help myself to some more food?" "Yes, of course." Hi, my name's Tiffany. How may I help you?
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may modal verb (WISH)

formal used to introduce a wish or a hope: May you have a long and fruitful marriage.

may

noun [U] uk   /meɪ/ ( also may blossom) us  
the flowers of the hawthorn tree
(Definition of may modal verb, noun from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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