only 1 use
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Definitionto convince someone of a false belief
- "You might be laboring under the delusion that the entire wizarding world is impressed with you," Snape went on, so quietly that no one else could hear him (Harry continued to pound his scarab beetles, even though he had already reduced them to a very fine powder), "but I don't care how many times your picture appears in the papers.Chapter 27 -- Padfoot Returns (25% in)
There are no more uses of "delude" in Harry Potter (#4) and the Goblet of Fire.
Typical Usage (best examples)