abracadabra /ˌæbɹəkəˈdæbɹə/noun 3exclamation 1forms 1 noun3 •A use of the mystical term ‘abracadabra’, supposed to work as part of a healing charm or a magical spell; any spell or incantation making use of the word.With a quiet bank holiday afternoon to fill, the Mill yesterday dug out the old magic kit, brushed the cobwebs off its top hat and practiced a few abracadabras. — 2012 •Arcane and obscure language of occult rituals or mystical practices.We made no comment but even Sandra herself could see how ridiculous all this abracadabra must sound to a listener. — 1965 •Mumbo jumbo; obscure language or technicalities; jargon.I don’t know all the theoretical abracadabra about how it works, I’m only its pilot. exclamation1 •Used to indicate that a magic trick or other illusion has been performed.Next, the conjuror filled a glass with water from a big jug and then covered the tumbler with a cloth. "Abracadabra," he cried and crumpled the cloth. — 1971 formsabracadabras