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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.

Soccer and the mastermind behind that World Cup — created for the 23 players who will wear the U.S. crest at home this summer.

From Los Angeles Times • Jun. 7, 2026

Over the course of the war, Israel has claimed responsibility for the assassinations of several Hamas leaders, including Yahya Sinwar, widely regarded as a mastermind of the October 7 attack.

From Barron's • May 16, 2026

The Cryptolocker mastermind was eventually identified as Evgeniy Bogachev, a Russian national known to be fond of luxury cars and yachting on the Black Sea.

From The Wall Street Journal • May 6, 2026

Halperin’s accusers were gobsmacked to see Kelly, who’d once given them a sympathetic platform on the Today show, turn around and mastermind his comeback.

From Slate • May 6, 2026

Uncle Brian made a face like an evil mastermind announcing his plan for world domination.

From "Black Swan Green" by David Mitchell




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