D

Daily Prophet ~ A newspaper. Read by most wizards, and, of course, by Hermione Granger.[1,5]

Dark Detector ~ Secrecy sensor; vibrates when it detects concealment and lies, according to Professor Moody. [4,20]

Dark Mark ~ Lord Voldemort's emblem; a skull with emerald trimmings and a snake coming out of it's mouth; projected against the night sky. [4,9]

Dark Wizard ~ One steeped in the Dark Arts. [4,11]

Roger Davies ~ Ravenclaw quidditch captain. [5,25]

Dawlish ~ Auror, loyal to Minister Fudge. [5,27]

Death Eater ~ Supporters of Lord Voldemort. [4,9]

Deathday Party ~ Marking an anniversary of becoming a ghost. [2,8]

Deathly Hallows ~ A winning combination of an elder wand, the resurrection stone, and an invisibility cloak. [7,21] Sign of the Deathly Hallows ~ The vertical line represents an Elder Wand; the circle represents the Resurrection Stone, and the triangle completes the picture as the Cloak of Invisibility. [7,21]

Decoy Detonator ~ Conveniant distraction, using sound and smoke [7,13]

Defensive Magical Theory ~ Wilbert Slinkard's book on defense against the Dark Arts. [5,12]

Apolline Delacour - Fleur's mother [7,6]

Fleur Delacour ~ Beauxbaton's part-Veela champion. Sometimes nicknamed Phlegm. [4,16] Full name: Fluer Isabelle [7,8]

Gabrielle Delacour ~ Fleur's younger sister. [4,26]

Deletrius ~ Charm to delete a prior spell. [4,9]

Deluminator ~ Device with the power to suck all lightfrom a place - and return it. [7,7]

Dementor ~ Rather unpleasant creatures that drain peace, hope and happiness from the air around them; dementors are the guards of Azkaban. [3,5]

Densaugeo ~ Curse that causes the teeth to grow to excessive length. [4,18]

Deprimo ~ A spell to push downward. [7,21]

Dervish & Banges ~ Wizarding equipment shop in Hogsmeade. [3,5]

Descendo ~ A lowering charm. [7,6]

Dilys Derwent ~ Healer at St Mungo's (1722-41) and Headmistress at Hogwarts (1741 - 68). [5,22]

Devil's Snare ~ A binding, fast-moving plant. [1,16]

Diagon Alley ~ Central London shopping area for wizarding folk. [1,5] Diffindo ~ Charm to open or divide. [4,20]

Dedalus Diggle ~ Excitable wizard [1,1]

Amos Diggory ~ Cedric's father; works at the Department for the Regulation and Control of Magical Creatures, at the Ministry of Magic. [4,6]

Cedric Diggory ~ 'Tall, good looking' Hufflepuff seeker. [3,9]

Ivor Dillonsby ~ Wizard who claims to have described eight uses for dragon's blood. [7,2]

Professor Armando Dippet ~ A previous headmaster at Hogwarts. [2,13]

Disapparate ~ To disappear, only to appear elsewhere.The first stage of Apparation. [3,22]

Disillusionment Charm ~ Causes the charmed object to take on the appearance of the object behind; turned Harry into a 'human chameleon'. [5,3]

Dissendium ~ Charm to access a secret tunnel to Hogsmeade. [3,10]

Dittany Essence ~ A healing agent. [7,14]

Divination ~ Foretelling; an imprecise branch of magic. [3,6]

Dobby ~ A house-elf. [2,2]

Elphias Doge ~ Special advisor to the Wizengamot and member of the order of the Phoenix. [5,3]

Antonin Dolohov ~ Death Eater, active in Voldemort's day's of glory; torturor of muggles, apprehended and imprisoned for the murders of Gideon and Fabian Prewett. [4,30]

Doxy ~ Small humanesque infestation. Doxies have an extra set of arms and legs, plus wings and a venomous bite. [5,5]

Drago Dormiens Nunquam Titillandus ~ The motto of Hogwarts School of Witchcraft and Wizardry. It means "Never Tickle a Sleeping Dragon" [1,0]

Dragon ~ Magical creature. Never domesticated, but do have their uses. Rumoured to guard certain high security vaults at Gringott's. [1,5]

Draught of Peace ~ A potion to calm anxiety and soothe agitation. [5,12]

Dream Oracle ~ Inigo Imago's book of dream interpretation. [5,12]

Albus Percival Wulfric Brian Dumbledore ~ Wizard, Headmaster at Hogwarts [1,1]

Aberforth Dumbledore ~ Brother of Albus [7,2]

Ariana Dumbledore ~ Sister to Albus and Aberforth. [7,2]

Kendra Dumbledore ~ Albus' mother [7,2]

Percival Dumbledore ~ Father of Albus; convicted for attacking muggles and died in Azkaban. [7,2]

Dumbledore's Army ~ Nickname for the Dark Arts study group. [5,18]

Durmstrang Institute ~ School for Wizards in North Central Europe; reputed to be unsympathetic to muggleborn wizards. And keen on teaching the Dark Arts. [4,11]

Dursley ~ The family from 4 Privet drive who 'looked after' Harry Potter [1,1]

Dudley Dursley ~ Harry's cousin and tormenter. [1,1]

Auntie Marge Dursley ~ Marjorie, Vernon Dursley's sister. [1,2]

Petunia Dursley ~ Harry Potter's aunt. [1,1]

Vernon Dursley ~ a Director of Grunnings, Drill Makers. And Harry Potter's uncle. [1,1]