used to say that something is possible but not certain
It may rain later, so take an umbrella.
The keys may be in your backpack.
used to politely ask for or give permission
May I borrow your pen?
You may start the test now.
used in formal expressions to wish or hope for something
May all your dreams come true!
May the new year bring you joy.
the fifth month of the year, between April and June
The flowers bloom beautifully in May.
Her birthday is in May.