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Illusory; unreal: "One wonders if historians ... are caught up in an Alice-in-Wonderland world of their own making" (Zara Steiner).
[Short for Alice's Adventures in Wonderland, , fantasy novel by Lewis Carroll.]
[C20: alluding to the absurdities of Wonderland in Lewis Carroll's book]
resembling a dream or fantasy; unreal.
[1920–25; alluding to Lewis Carroll's children's story Alice's Adventures in Wonderland (1865)]