under wraps

Idioms  

1. Concealed or secret, as in The design for the new plant is under wraps. This idiom frequently is put as keep under wraps, meaning “keep secret,” as in Let's keep this theory under wraps until we've tested it sufficiently. It alludes to covering something completely by wrapping it up. [1930s]

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Example Sentences

See Examples For:

under wraps

Marvel Studios President Kevin Feige capped off his portion of the presentation by formally introducing Sadie Sink, whose role in “Spider-Man: Brand New Day” had been kept under wraps before its release, as Jean Grey.

From Los Angeles Times ● Aug. 15, 2026

"It's all been kept under wraps and we want her out here with us," he said.

From Barron's ● Aug. 12, 2026

The exact format which will be broadcast from Monday is being kept under wraps.

From BBC ● Jul. 10, 2026

That’s because new Fed Chair Kevin Warsh is likely to keep any insight about how close the Fed is to tightening its monetary policy under wraps, experts say.

From MarketWatch ● Jul. 7, 2026

In the meantime, it was best to keep everything under wraps.

From "Middlesex: A Novel" by Jeffrey Eugenides