The Harry Potter Encyclopedia

Your Complete Guide to the Wizarding World

πŸ“– Wizarding World Glossary πŸ“–

A-Z of magical terms and definitions

A

Term Definition
Animagus A witch or wizard who can transform into an animal at will. Requires registration with the Ministry. Examples: James Potter (stag), Sirius Black (dog), Peter Pettigrew (rat), Rita Skeeter (beetle).
Apparition Magical teleportation. Requires a license (obtained at age 17). Described as being forced through a tight rubber tube. Can be dangerous if done wrong (splinching).
Auror Dark wizard catcher working for the Ministry of Magic. Elite law enforcement trained to fight dark magic. Requires top N.E.W.T. scores. Examples: Mad-Eye Moody, Nymphadora Tonks, Kingsley Shacklebolt.
Azkaban Wizard prison located on an island in the North Sea. Guarded by Dementors (until Voldemort's return). Inescapable - Sirius Black was first known escapee.

B-D

Term Definition
Beater Quidditch position. Two per team. Hit Bludgers away from teammates and toward opponents.
Boggart Shape-shifter that becomes your worst fear. Defeated with "Riddikulus" spell and laughter. Lives in dark, confined spaces.
Chaser Quidditch position. Three per team. Score goals by throwing Quaffle through hoops (10 points each).
Dark Mark Voldemort's symbol - skull with snake coming from mouth. Cast with "Morsmordre." Appeared in sky after Death Eater killings. Also branded on Death Eaters' left forearms.
Death Eaters Voldemort's followers. Wore black robes and masks. Branded with Dark Mark. Examples: Bellatrix Lestrange, Lucius Malfoy, Severus Snape (spy).
Dementor Soul-sucking creature that feeds on happiness. Guards of Azkaban. Repelled by Patronus Charm. Can perform Dementor's Kiss (sucking out soul).
Disapparition Leaving a place by Apparition (magical teleportation).

E-H

Term Definition
Fidelius Charm Extremely complex charm that hides a secret within a person (Secret Keeper). Only the Secret Keeper can reveal the information. Used to hide the Potters' location.
Floo Network System of connected fireplaces used for travel and communication. Powered by Floo Powder. Say destination clearly!
Galleon Wizarding currency (gold coin). 1 Galleon = 17 Sickles = 493 Knuts.
Goblin Magical being, runs Gringotts bank. Expert metalworkers. Different views on ownership than wizards. Examples: Griphook, Ragnok.
Gringotts Wizarding bank in Diagon Alley, run by goblins. Hundreds of vaults deep underground, guarded by dragons and enchantments.
Horcrux Darkest magic. Object containing a piece of soul, split by murder. Makes creator immortal until all Horcruxes destroyed. Voldemort made six (plus accidental seventh in Harry).
House-elf Magical being bound to serve wizarding families. Powerful magic but enslaved. Freed by being given clothes. Examples: Dobby, Kreacher, Winky.

I-M

Term Definition
Inferi Dead bodies reanimated by dark wizard and controlled like puppets. Guarded Slytherin's locket in cave. Repelled by fire.
Keeper Quidditch position. One per team. Guards the three goal hoops from Quaffle.
Knut Wizarding currency (bronze coin). Smallest denomination. 493 Knuts = 1 Galleon.
Legilimency Magic ability to extract emotions and memories from another's mind. Snape and Voldemort were skilled Legilimens.
Metamorphmagus Rare magical ability to change appearance at will without Polyjuice Potion or spell. Born ability. Examples: Nymphadora Tonks, Teddy Lupin.
Ministry of Magic Government of magical Britain. Located underground in London. Led by Minister for Magic. Multiple departments including Law Enforcement, Mysteries, Magical Accidents.
Mudblood Highly offensive slur for Muggle-born witches/wizards. Implies "dirty blood." Pure-blood supremacists use it. Hermione was called this.
Muggle Non-magical person. Most are completely unaware magic exists. Statute of Secrecy keeps wizarding world hidden from them.
Muggle-born Witch or wizard born to non-magical parents. Possess magic despite "Muggle" heritage. Example: Hermione Granger, Lily Potter (nΓ©e Evans).

N-P

Term Definition
N.E.W.T. Nastily Exhausting Wizarding Test. Advanced exams taken in seventh year. Required for many careers. Equivalent to A-levels.
Obliviate Memory charm that erases or modifies memories. Used by Ministry to maintain Statute of Secrecy. Can be permanent or temporary.
Occlumency Magical defense of mind against external penetration. Protects against Legilimency. Snape tried to teach Harry (unsuccessfully).
Order of the Phoenix Secret organization founded by Dumbledore to fight Voldemort. Original members in 1970s, reformed 1995. Headquarters: Grimmauld Place.
O.W.L. Ordinary Wizarding Level. Exams taken at end of fifth year. Determine which N.E.W.T. classes students can take. Equivalent to GCSEs.
Parseltongue Language of snakes. Rare ability, associated with Slytherin. Speakers called Parselmouths. Harry had it due to Horcrux connection to Voldemort.
Patronus Magical guardian conjured by happy memory. Takes animal form. Only defense against Dementors. Cast with "Expecto Patronum."
Pensieve Stone basin used to review memories. Can store thoughts and memories. Dumbledore used one extensively.
Portkey Object enchanted to transport anyone touching it to specific location at specific time. Feels like hook behind navel.
Pure-blood Witch/wizard with no known Muggle ancestry. Some families obsessed with blood purity. Examples: Malfoys, Blacks, Gaunts.

Q-S

Term Definition
Quidditch Wizarding sport played on broomsticks. Seven players per team, four balls. Seeker catches Golden Snitch to end game (150 points).
Seeker Quidditch position. One per team. Catches Golden Snitch to end game and earn 150 points. Harry's position - youngest in a century.
Sickle Wizarding currency (silver coin). 17 Sickles = 1 Galleon. 29 Knuts = 1 Sickle.
Sorting Hat Sentient hat that sorts first-years into Hogwarts houses. Belonged to Godric Gryffindor. Considers student's values and choice.
Splinching Incomplete Apparition leaving body parts behind. Painful and dangerous. Ron splinched (lost part of arm) in Book 7.
Squib Non-magical person born to magical parents. Opposite of Muggle-born. Can see magical things but can't perform magic. Examples: Argus Filch, Arabella Figg.

T-Z

Term Definition
Transfiguration Branch of magic that changes one object into another. Taught by Professor McGonagall. Very difficult and precise.
Veritaserum Truth serum - most powerful in existence. Three drops forces drinker to answer truthfully. Colorless, odorless, tasteless.
Voldemort Dark Lord, born Tom Marvolo Riddle. Most dangerous dark wizard in history. Name feared - called "You-Know-Who" or "He-Who-Must-Not-Be-Named."
Werewolf Human who transforms into wolf during full moon. Face discrimination in wizarding society. Wolfsbane Potion helps retain mind during transformation. Example: Remus Lupin.
Wizard Male magic user (though sometimes used as gender-neutral term). Born with magical ability.
Witch Female magic user. Born with magical ability. Not the negative stereotype Muggles imagine.

Common Phrases & Expressions

  • "Bloody hell!" - Ron's favorite expression of surprise
  • "Merlin's beard!" - Common wizarding exclamation
  • "Blimey!" - British expression of surprise
  • "Mischief managed" - Phrase to deactivate Marauder's Map
  • "I solemnly swear I am up to no good" - Activates Marauder's Map
  • "All was well" - Final line of series
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