Al ‧ ice in Won ‧ der ‧ land /ˌæləs ɪn ˈwʌndəlænd, ˌælɪs ɪn ˈwʌndəlænd $ -dər-/ BrE AmE ( also ˌAlice’s Adˌventures in ˈWonderland )
a book by Lewis Carroll about a girl called Alice who has many strange adventures. People sometimes describe something as being ‘Alice-in-Wonderland’, when they mean it is the opposite of what is normal or what you expect:
The book is a good introduction to the strange, Alice-in-Wonderland world of theoretical physics.