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secret weapon

NOUN
ace in the hole
Synonyms
WEAK
ace up one's sleeve card up one's sleeve decisive argument decisive resource reserve secret advantage sure advantage trump card
NOUN
trump card
Synonyms
STRONG
assistance
WEAK
ace in the hole ace up one's sleeve advantage aid asset card up one's sleeve edge help influence key resource lead leg up leverage luck odds position power protection superiority upper hand whip hand
Antonyms
STRONG
disadvantage
WEAK
short end

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.

A support runner, a driver, a helper and - her secret weapon - a podiatrist.

From BBC • Apr. 27, 2026

And on Thursday, he became a secret weapon exactly when High Point needed him most.

From The Wall Street Journal • Mar. 20, 2026

Levey, a 5-foot-10 junior guard, is the secret weapon who shows up when the Dolphins’ three stars — freshman Phillip Reed and junior twins EJ and OJ Popoola — need a little help.

From Los Angeles Times • Feb. 22, 2026

Event manager De Haan has been taking part in the contest for years and never won anything, but this time he has a "secret weapon" -- jalapeno peppers.

From Barron's • Feb. 19, 2026

Hardly anyone had seen Harry play because Wood had decided that, as their secret weapon, Harry should be kept, well, secret.

From "Harry Potter and the Sorcerer's Stone" by J.K. Rowling