- to plan and direct (a usually complex project or activity), especially skillfully: Two colonels had masterminded the revolt.
- a person who originates or is primarily responsible for the execution of a particular idea, project, or the like: the masterminds of company policy.
Origin of mastermind
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for mastermind
Zubaydah indentified Khalid Sheikh Mohammed as the mastermind of the 9/11 attacks.The Luxury Homes That Torture and Your Tax Dollars Built
December 12, 2014
Self-described 9/11 mastermind Khalid Sheikh Mohammed was also kept at Cobalt after his March 2003 in Pakistan.Inside the CIA’s Sadistic Dungeon
December 9, 2014
Surely only an advanced hacker could mastermind such a fiendish act — right?A Female Writer’s New Milestone: Her First Death Threat
December 1, 2014
But the mastermind of the Hamas kidnapping strategy is al-Arouri, Israeli officials say.Israel Bombs Gaza While Hamas’ Kidnapping Mastermind Sits in Turkey
July 1, 2014
“Not your typical criminal or mastermind,” her attorney, Marcus Sierra, told a local newspaper.There is No Stealing in Baseball!
April 13, 2014
He said to Professor Garet, "All right, mastermind, untie me."And Then the Town Took Off
As for Salem, it looks as though a mastermind had been at work, I see it in everything.No Defense, Complete
Ravick seemed to have gotten the idea that Joe Kivelson was the mastermind of the hunters' cabal against him.Four-Day Planet
Henry Beam Piper
A banquet extraordinary was shortly to take place, and M. Sapin, the mastermind, came to beg of Regali the recipe for his ragout.The Orchard of Tears
His mastermind comprehended the importance and necessity of combined and harmonious effort.
- (tr) to plan and direct (a complex undertaking)he masterminded the robbery
- a person of great intelligence or executive talent, esp one who directs an undertaking
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for mastermind
Online Etymology Dictionary, © 2010 Douglas Harper