Third-person singular simple present indicative form of mastermind.(verb)
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Use "masterminds" in a sentence
"Whether or not they are criminal masterminds is another question."
"While a handful of people thought to be responsible for the murder have been charged in his death, the "masterminds" - as the cables refer to them - of the assassination are not in prison."
"Even in this instance, however, five college-educated 'masterminds' - including two university lecturers - helped to shape the Bali plot."