| Term | Definition |
| Animagus | a witch or wizard who can turn into a particular animal at will |
| Parseltongue | the language of snakes |
| Legilimency | the skill of extracting feelings and memories from another person's mind |
| Priori Incantatem | the Reverse-Spell effect |
| Muggle | non-magical person |
| Accio | summoning spell |
| Alohomora | spell used to open and\or unlock most doors |
| Expelliarmus | spell used to disarm another witch/wizard |
| Fiendfyre | an extremely powerful cursed fire |
| Impediment Curse | Hex is capable of tripping, binding and generally impeding the target's progress towards the caster |
| Levicorpus | spell used to suspend victim upsidedown in the air |