Defying definition: Why fictional words cast such a spell on us

Gary Lupyan, professor of psychology at the University of Wisconsin, also emphasizes the importance of context in understanding hitherto unseen words. “Words like ‘horrendible’ in Wicked, by virtue of being so close to a conventional English word, can be understood when first encountered,” he says. “Especially if they’re also used in a context where one might expect a familiar word, such as ‘horrible.’”