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Definitions

mastermind

[mas-ter-mahynd, mah-ster-] / ˈmæs tərˌmaɪnd, ˈmɑ stər- /
VERB
plan and direct
Synonyms
STRONGEST
STRONG
WEAK


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“Now, with French authorities and the U.S. Department of Justice identifying Dmitry Klyuev as the mastermind, we finally see a trial against the key perpetrator of the $230 million fraud uncovered by Sergei Magnitsky.”

From Barron's • Mar. 31, 2026

The Los Angeles Lakers honored legendary coach Pat Riley, mastermind of the team's 1980s "Showtime" era, with a statue outside Crypto.com Arena on Sunday.

From Barron's • Feb. 23, 2026

Authorities say several suspects, including the alleged mastermind, remain under active investigation, with further arrests expected.

From BBC • Feb. 19, 2026

His reputation as a mastermind on the defense certainly precedes him, and at USC, that’s where he’ll be needed most.

From Los Angeles Times • Jan. 28, 2026

She was a deductive mastermind, he supposed, but her gift wasn’t honed from training her mind for acute observation.

From "The Last Last-Day-of-Summer" by Lamar Giles