Undetectable

Undetectable hardware called "key catchers" can be installed in the PS2 or USB ports, and a spy can monitor your every move.

Robert Siciliano: Relationships: Do You Spy on Your Spouse? 2010

Undetectable unless the scanner team tries ripping each such boot apart.

Get ready for the government to look at you with X-ray eyes. Ann Althouse 2009

A few weeks ago, my friend Andrew Sullivan flagged this for me, and after reading his impressive essay on friendship (the third section of Love Undetectable) – I came back to it at the end of a particularly disquieting week.

Balkinization 2006

A few weeks ago, my friend Andrew Sullivan flagged this for me, and after reading his impressive essay on friendship (the third section of Love Undetectable) – I came back to it at the end of a particularly disquieting week.

Balkinization 2006

Undetectable to the naked eye under the dark glaze is thetranslucent gauze garment over her dress called a guarnelo.

MILLION DOLLAR SMILE 2008

"Undetectable from the real thing," an elderly man was assuring a vampire with a long beard and braided hair.

All Together Dead Harris, Charlaine 2007

Ron muttered to Harry one evening as Harry sat finishing a nasty essay on Undetectable Poisons for Snape.

Harry Potter and the Prisoner of Azkaban Rowling, J. K. 1999

Undetectable in circuit, Dagny has followed the conversation.

The Stars Are Also Fire Anderson, Poul, 1926-2001 1994

Undetectable in circuit, Dagny has followed the conversation.

The Stars Are Also Fire Anderson, Poul, 1926-2001 1994

Undetectable spells could be a big advantage, if he ever had trouble with the Society of Wizards.

Searching for dragons Wrede, Patricia C., 1953- 1991