fairy tale

US /ˈfer.i ˌteɪl/
UK /ˈfer.i ˌteɪl/
"fairy tale" picture
1.

a children's story about magical and imaginary beings and lands

:
She read a fairy tale to her daughter before bedtime.
Many classic fairy tales have been adapted into movies.
2.

an incredible or misleading story or explanation

:
His promises turned out to be nothing but a fairy tale.
Don't believe that fairy tale about getting rich quick.