Circular Definition

For the definition of Circular Definition, see Reflexive Statement.

For tropes and indexes indexed in this index, see...

• Department of Redundancy Department
• Mutually Fictional
• Nonsense Classification
• Nonsense Nomenclature
• Recursive Acronym
• Shaped Like Itself
• There Are No Girls on the Internet (There are no girls on the Internet. There are no girls because the females pretend to be male. The females pretend to be male because certain men gets outraged if they say they are female. These men get outraged because anyone who claims to be female is a liar. They know that anyone online claiming to be female is a liar... Because there are no girls on the Internet.)
• Recursive Reality (Of the Turtles All the Way Down kind.)
• Strange Pond Woman (When authority isn't valid because it's valid, it's instead invalid because it's invalid. Internal Subtrope of The Presents Were Never From Santa.)

...Actually, no. See only Reflexive Statement.