Thesaurus.com
Dictionary.com
Definitions

magic number

NOUN
secret
Synonyms
STRONGEST
code confidential information key mystery
STRONG
cipher confidence enigma formula occult oracle password puzzle unknown
WEAK
classified information privileged information skeleton in cupboard
Antonyms
WEAK
known public knowledge revelation

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.

"But with so much at stake and shareholders to appease, it seems ultimately the magic number couldn't be found, at least not right now," she added.

From Barron's • Feb. 5, 2026

The magic number: For Bierbaum, $20 is the magic number, a price where customers don’t think twice when they buy.

From The Wall Street Journal • Dec. 6, 2025

Read: Amazon’s stock comeback hinges on AWS hitting this magic number.

From MarketWatch • Oct. 20, 2025

The Dodgers’ magic number for matching that is five after Monday’s 6-5 extra-inning loss to the Phillies.

From Los Angeles Times • Sep. 16, 2025

Even today, a critical threshold in human organisations falls somewhere around this magic number.

From "Sapiens: A Brief History of Humankind" by Yuval Noah Harari