- (fandom slang) The loosely-defined fictional universe encompassing the worlds forming the setting for the television and film works of Joss Whedon — notably the television series Buffy the Vampire Slayer, Angel and Firefly, and the film Serenity.
- 2005, Rhonda Wilcox, Why Buffy Matters: the Art of Buffy the Vampire Slayer, page 159:
- In the Whedonverse (among other places) institutions are dangerous; communities can be life-giving.
- 2009, AmiJo Comeford, Cordelia Chase as Failed Feminist Gesture, in Kevin K. Durand (editor), Buffy Meets the Academy: Essays on the Episodes and Scripts as Text, page 159,
- Neither Joss Whedon nor any other writer in the Whedonverse harbors the misogyny that drove and characterized texts like the Hammer of Witches.
- 2010, Lynnette Porter, Tarnished Heroes, Charming Villains, and Modern Monsters: Science Fiction in Shades of Gray in 21st Century Television, page 133:
- In the Whedonverse, who is willing and able to become a hero often defies two-dimensional thinking or traditional expectations.