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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.

The field marshal, acting on CIA intelligence, handed over the alleged mastermind behind the 2021 Kabul airport bombing when Americans were evacuating from Afghanistan.

From BBC • Apr. 10, 2026

“Hannah was the mastermind who figured out four nesting possibilities.”

From Los Angeles Times • Apr. 8, 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

Mohsin Naqvi said an Afghan national who is alleged to be the mastermind behind the attack was among those detained.

From BBC • Feb. 7, 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