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Muffliato Charm

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" [...] perhaps most useful of all, Muffliato, a spell that filled the ears of anyone nearby with an unidentifiable buzzing, so that lengthy conversations could be held in class without being overheard."
Harry's use of the charm created by Severus Snape.[src]

The Muffliato Charm (Muffliato) is a charm used to fill the ears of any person in the vicinity of the caster with an unidentifiable buzzing sound so as to allow long conversations without being overheard in a public place such as a class. The spell was invented by Severus Snape whilst he was a student at Hogwarts School of Witchcraft and Wizardry

Known uses

Harry Potter used this spell multiple times during the 1996-1997 school year after discovering the Half-Blood Prince's copy of Advanced Potion-Making.

Hermione Granger originally disapproved of using the spell, but came to use it herself when it was needed; for example, to protect the campsites she shared with Harry Potter and Ron Weasley when they hunted for Lord Voldemort's Horcruxes between 1997-1998.

Known practitioners


  • The English word muffle means "to make a sound less distinct by covering its source."

Behind the scenes


Notes and references

  1. Harry Potter and the Deathly Hallows - Chapter 14 (The Thief)
  2. Scholastic Pronunciation Guide
  3. Harry Potter and the Deathly Hallows - Chapter 15 (The Goblin's Revenge)
  4. 4.0 4.1 Harry Potter and the Half-Blood Prince - Chapter 19 (Elf Tails)
  5. As the incantation is derived from English "muffle", it is likely that is the effect.

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